{"title":"Opal Jewellery","description":"\u003cp\u003eAustralian opal jewellery — pendants, rings, earrings, bracelets and cufflinks in sterling silver and 18 karat gold. The largest collection on the site, with over 220 one-of-a-kind pieces. Every stone is graded and cut by me before going to my Sydney jewellers for setting.\u003c\/p\u003e\u003cp\u003eBlack opal from Lightning Ridge and Grawin, boulder opal from the Queensland fields, white and crystal opal from Coober Pedy. Pieces range from everyday silver settings through to investment-grade 18K gold work with diamond accents. The stone always leads the design.\u003c\/p\u003e\u003cp\u003eBacked by my 25+ year personal guarantee. Insured worldwide shipping, presentation packaging on every piece.\u003c\/p\u003e","products":[{"product_id":"opal-doublet-pendant-101","title":"Australian Opal Doublet Silver Pendant 101","description":"Australian Opal Doublet Pendant Set in Sterling Silver with green strong pattern. Discover the unique beauty of the Australian Outback with this eye-catching pendant. Show off your bold style with this vibrant, sterling silver treasure.","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":15677069164611,"sku":"Op Db Pd 101","price":350.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/Op-Db-Pd-101-1-_1.jpg?v=1701755462"},{"product_id":"opal-doublet-pendant-113","title":"Australian Opal Doublet Silver Pendant 428","description":"\u003cp\u003eAustralian Opal doublet pendant set in Sterling Silver with CZ set at the top with silver chain.\u003c\/p\u003e\n\u003cp\u003eSize 29 x 21 mm\u003c\/p\u003e\n\u003cp\u003eTop quality desirable red color as if there was a fire inside the stone.\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":15677368729667,"sku":"Op Db Pd 428","price":1950.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/Op-Db-Pd-113a-_2.jpg?v=1748511491"},{"product_id":"opal-doublet-pendant-116","title":"Australian Opal Doublet Silver Pendant 116","description":"\u003cp\u003eExperience the stunning beauty of Australian opal with this doublet pendant set in sterling silver. The silver chain adds a touch of elegance, while the green hue with golden flash adorning the stone creates a captivating look. This piece measures 40 x 23 mm and is perfect for adding a pop of color to any outfit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":15677440262211,"sku":"Op Db Pd 116","price":2250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/Op-Db-Pd-116-1-_1.jpg?v=1701755479"},{"product_id":"copy-of-opal-pendant-5","title":"Australian Black Opal 18kt Gold Pendant 2088","description":"\u003cp\u003eA rare gemstone with a mesmerizing play of colors. It's an elegant addition to any jewelry collection, crafted with high-quality materials for a lasting investment. As an industry expert, you'll appreciate the value of Australian Black opal from Lightning Ridge. It's a rare gemstone which makes it a standout piece in any jewelry collection. With its 18 karat yellow gold setting, this pendant is a lasting investment that you can be proud to wear or share. \u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":32913972297781,"sku":"Op Blk Pd 2088","price":1880.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBlkPd2088.7.jpg?v=1742371915"},{"product_id":"copy-of-opal-bracelet-5","title":"Australian Opal Boulder Silver Bracelet 51","description":"\u003cp\u003eThis Australian Boulder Opal Bracelet features a prominent blue-toned stone sourced from opal mines in Western Queensland, Australia. The large opal centerpiece is set in a wide band of silver, producing a distinct 3D effect reminiscent of a \"mountain\", making it a truly unique piece.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":32914183290933,"sku":"Op Bld Bra 51","price":680.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG-0017-_1.jpg?v=1701755183"},{"product_id":"brooch-a","title":"Australian Opal Doublet Silver Brooch","description":"\u003cp\u003eDiscover the stunning beauty of Australian White Opal with our Doublet \"Butterfly\" brooch set in Sterling Silver. Made by expert craftsman, it features the perfect combination of durability and elegance.\u003c\/p\u003e\n\u003cp\u003eTotal size 37 x 27 mm\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":33103653109813,"sku":"Op Db Bro 8","price":680.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/products\/IMG_9560.jpg?v=1602668388"},{"product_id":"opal-doublet-earrings-502","title":"Australian Opal Doublet Silver Earrings 502","description":"\u003cp\u003eAustralian Opal Doublet earrings set in Sterling Silver .\u003c\/p\u003e\n\u003cp\u003eLong blue color 31 x 8 mm. \u003c\/p\u003e\n\u003cp\u003eTotal length 50 mm\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":39444355219639,"sku":"Op Db Err 502","price":365.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/products\/OpDbErr502a.jpg?v=1616584518"},{"product_id":"opal-doublet-earrings-503","title":"Australian Opal Doublet Silver Earrings 503","description":"Gorgeous Opal Doublets fashioned in Sterling Silver––lash out in stripy green-blue-red with grand dimensions of 31 x 11 mm and a total length of 51 mm! Take the plunge and make a statement.","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":39444387233975,"sku":"Op Db Err 503","price":1850.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/products\/OpDbErr503a.jpg?v=1747291090"},{"product_id":"copy-of-australian-opal-doublet-pendant-220","title":"Australian Opal doublet silver pendant 221","description":"\u003cp\u003eA vibrant Australian opal doublet, nestled in gleaming sterling silver, showcasing an unusually striking pattern with flashes of multicolor fire—led by a bold, captivating red. A perfect piece to elevate your look, whether you're keeping it casual or stepping out for an elegant evening.\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42091476582583,"sku":"Op Db Pd 221","price":280.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_0486.jpg?v=1702102839"},{"product_id":"copy-of-australian-opal-doublet-pendant-222","title":"Australian Opal doublet pendant 223","description":"\u003cp\u003eA brilliant Australian opal doublet set in sterling silver, showcasing timeless simplicity and elegance. The vibrant green sparkle, highlighted be a striking red flash in the low3er left, makes this piece a captive addition to any women's collection.\u003c\/p\u003e\n\u003cp\u003eSize 15 x 11\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42091478319287,"sku":"Op Db Pd 223","price":380.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_0515.jpg?v=1759467368"},{"product_id":"opal-boulder-ring-115","title":"Australian Opal Boulder Silver Ring 115","description":"\u003cp\u003eA striking boulder opal ring featuring vivid, sharp green tones, set in solid sterling silver. This bold design showcases the natural beauty of the stone—no two are ever the same. Make a statement and bring a touch of individuality to any outfit.\u003c\/p\u003e\n\u003cp\u003eMetal: 925 Sterling Silver\u003cbr\u003eOrigin of Stone: Boulder opal solid stone from Queensland \u003cbr\u003eRing Size: O 1\/2 (AU), 7 1\/2 (US), 15.75 (EUR)\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42125402734775,"sku":"Op Bld R 115","price":325.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_0681.jpg?v=1744716923"},{"product_id":"opal-boulder-ring-116","title":"Australian Opal Boulder Silver Ring 116","description":"\u003cp data-start=\"108\" data-end=\"299\" class=\"\"\u003eHandcrafted sterling silver ring with genuine Australian boulder opal – oval shape, vibrant blue and green tones – unique gemstone jewelry for women, perfect for gifts or everyday wear.\u003c\/p\u003e\n\u003cp data-start=\"108\" data-end=\"299\" class=\"\"\u003eMetal: 925 Sterling Silver\u003cbr\u003eOrigin of Stone: Boulder Opal from Queensland, Australia\u003cbr\u003eRing Size: S 1\/2 (AU), 9 1\/2 (US), 20.75 (EUR)\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42125405487287,"sku":"Op Bld R 116","price":390.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_0688.jpg?v=1744714826"},{"product_id":"opal-ring-123","title":"Australian Opal Boulder Silver Ring 123","description":"\u003cp\u003eAdd a touch of adventure to your style with our Boulder Opal Ring. This stunning ring features a beautiful boulder opal set in a sterling silver band. Make a bold statement and stand out from the crowd with this unique and high-quality piece of jewelry!\u003c\/p\u003e\n\u003cp\u003eMetal: Sterling Silver\u003c\/p\u003e\n\u003cp\u003eOpal: Boulder opal solid stone from Queensland \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSize 8 1\/4\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42133431910583,"sku":"Op Bld R 123","price":335.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_0762.jpg?v=1704169228"},{"product_id":"opal-broach","title":"Australian Opal Doublet Silver Brooch Pendant 9","description":"Stunning Opal\u003cstrong\u003e brooch \u003c\/strong\u003eor \u003cstrong\u003enecklace!\u003c\/strong\u003e Featuring a beautiful Australian doublet opal set in sterling silver, its unique design resembles a sleek yacht gliding through the waves. A bold statement piece perfect for those who love to take risks.","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42363253129399,"sku":"Op Db Bro 9","price":780.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_2881.jpg?v=1722660196"},{"product_id":"opal-doublet-pendant-172","title":"Australian Opal Doublet Silver Pendant 172","description":"Beautiful red opal doublet set in sterling silver very unique in any collection Make a statement with this one-of-a-kind pendant! The fiery red opal doublet, set in sterling silver, adds a unique touch to any jewelry collection.","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42564188831927,"sku":"Op Db Pd 172","price":330.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_2994.jpg?v=1712370394"},{"product_id":"opal-boulder-pendant-178","title":"Australian Opal Boulder Silver Pendant 1053","description":"\u003cp\u003eStunning Opal Boulder pendant. Featuring a solid beautiful boulder opal stone in blue with a mesmerizing green flash, set in sleek sterling silver. Perfect for showing off your unique style!\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42647698440375,"sku":"Op Bld Pd 1053","price":650.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_3470.jpg?v=1714470971"},{"product_id":"opal-boulder-pendant-186","title":"Boulder Opal Pendant – Sterling Silver, Large 35×16mm, Blue","description":"\u003cstyle\u003e.rotr-faq { border-bottom: 1px solid #e5e5e5; padding: 14px 4px; margin: 0; } .rotr-faq:first-of-type { border-top: 1px solid #e5e5e5; } .rotr-faq \u003e summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 4px 0; outline: none; } .rotr-faq \u003e summary::-webkit-details-marker { display: none; } .rotr-faq \u003e summary::after { content: \"+\"; font-size: 1.5em; font-weight: 300; line-height: 1; margin-left: 12px; transition: transform 0.2s ease; } .rotr-faq[open] \u003e summary::after { content: \"−\"; } .rotr-faq-answer { margin: 10px 0 0 0; }\u003c\/style\u003e\n\n\u003cp\u003eThirty-five millimetres long. That's not a stone you tuck away — at 35×16mm this is the largest piece in the collection, a genuinely bold slab of Queensland ironstone carrying a sweep of blue opal colour across its face. Semi-dark body tone, medium brightness — the blue is deep and settled rather than electric, which is exactly right for a stone this size: it wears with authority rather than demanding your attention at volume. Boulder opal cut to this length follows the natural seam of the deposit, and the result is an elongated, sculptural shape that works beautifully as a statement pendant. Bezel-set in sterling silver on a 45cm rhodium-plated chain. If you've ever wanted to own a piece of Australian opal that genuinely makes a statement, this is it.\u003c\/p\u003e\n\n\u003ch2\u003eAbout Boulder Opal\u003c\/h2\u003e\n\u003cp\u003eBoulder opal forms as veins of precious opal within ironstone matrix in the opal fields of Queensland — primarily Quilpie, Yowah and Winton. Unlike black opal from Lightning Ridge, the opal cannot be separated from its host rock; it's cut as a single solid piece, with the natural brown ironstone remaining as the stone's backing. This gives boulder opal its distinctive look — vivid colour against rich earth tones — and also makes it physically more durable than other opals, since the ironstone host is harder than the opal layer it carries.\u003c\/p\u003e\n\u003cp\u003eEach boulder opal is shaped by the natural geometry of the seam, so freeform and irregular shapes are common. The dark ironstone backing acts as a natural backdrop that intensifies the colour play above it — similar to how the dark body tone of a black opal works, but achieved by geology rather than gemmology.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStone:\u003c\/strong\u003e Solid Australian Boulder Opal (natural, untreated, ironstone matrix)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 35×16mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour Play:\u003c\/strong\u003e Dominant blue\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Tone:\u003c\/strong\u003e Semi-dark\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrightness:\u003c\/strong\u003e Medium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Bezel, sterling silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e Rhodium-plated, 45cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Queensland, Australia\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e One-of-a-kind — 1 piece available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCaring for Your Opal\u003c\/h2\u003e\n\u003cp\u003eOpals are softer than diamonds or sapphires, so a little care keeps yours brilliant for generations. Boulder opal is more robust than other opal varieties thanks to its ironstone backing, but the precious opal layer still benefits from gentle treatment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvoid knocks and hard impacts — store separately, ideally in a soft pouch or lined box\u003c\/li\u003e\n  \u003cli\u003eKeep away from extreme heat or sudden temperature changes\u003c\/li\u003e\n  \u003cli\u003eNever use ultrasonic cleaners, steam cleaners, or harsh chemical cleaners\u003c\/li\u003e\n  \u003cli\u003eClean gently with a soft, slightly damp cloth — no detergents, no alcohol\u003c\/li\u003e\n  \u003cli\u003eRemove before swimming, gardening, or anything rough\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTreated well, your opal will outlive you.\u003c\/p\u003e\n\n\u003ch2\u003eProvenance\u003c\/h2\u003e\n\u003cp\u003eEvery opal at Rocks On The Rocks is personally hand-selected by Joseph Bernecki — Polish-born, Australian-raised, and a 30+ year veteran of the Australian opal trade. Joseph sources direct from the fields at Lightning Ridge, Quilpie, Winton and Coober Pedy, and hand-picks each stone for its individual character before it's set in his Sydney workshop. You can meet him in person any weekend at The Rocks Market, stall under the bridge, Sydney.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs this a natural Australian opal?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eYes — a solid, natural boulder opal from Queensland. The opal and the ironstone backing are one piece, formed together in the ground. Not a doublet, not a triplet, not synthetic.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWhy is there ironstone on the back of the stone?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eBoulder opal naturally forms as veins of opal within ironstone matrix. The opal can't be separated from its host rock without destroying the stone, so it's cut and polished as one piece. The ironstone backing is part of the natural stone — and it makes boulder opals more durable than other opal varieties.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWhere does boulder opal come from?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eAlmost exclusively from the opal fields of central and south-west Queensland — Quilpie, Yowah, and Winton are the major producers. Joseph sources direct from these fields.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs the chain sterling silver?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eThe pendant setting is sterling silver. The chain is rhodium-plated — a platinum-group finish that resists tarnish and keeps the silver looking clean longer than uncoated silver.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDoes it come with certification?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eEach piece is backed by Joseph's personal guarantee — 30+ years sourcing direct from the Australian fields. Formal independent certification can be arranged on request, at cost.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDo you ship insured?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eAll pieces ship registered and fully insured within Australia. International shipping is available on request.\u003c\/div\u003e\u003c\/details\u003e\n\n\u003cp\u003eThis is a one-of-a-kind piece. Once sold, it cannot be replicated. Every opal at Rocks On The Rocks is hand-selected by Joseph for its individual character and quality.\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42651136262327,"sku":"1057","price":680.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd1057.1.jpg?v=1773819917"},{"product_id":"opal-boulder-pendant-187","title":"Boulder Opal Pendant – Sterling Silver, Broad Blue Flash","description":"\u003cstyle\u003e.rotr-faq { border-bottom: 1px solid #e5e5e5; padding: 14px 4px; margin: 0; } .rotr-faq:first-of-type { border-top: 1px solid #e5e5e5; } .rotr-faq \u003e summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 4px 0; outline: none; } .rotr-faq \u003e summary::-webkit-details-marker { display: none; } .rotr-faq \u003e summary::after { content: \"+\"; font-size: 1.5em; font-weight: 300; line-height: 1; margin-left: 12px; transition: transform 0.2s ease; } .rotr-faq[open] \u003e summary::after { content: \"−\"; } .rotr-faq-answer { margin: 10px 0 0 0; }\u003c\/style\u003e\n\n\u003cp\u003eAt 29×20mm this is a substantial stone — large enough that the broad blue colour fills the pendant with real presence on the neck. The opal rolls out a wide, sweeping flash of blue across a dark body tone, the kind of colour that shifts as you move and catches light from across a room. Set in a bezel of sterling silver with a 45cm rhodium-plated chain, it sits confidently at the collarbone — a piece you wear when you want to be noticed, not a piece that disappears into the background.\u003c\/p\u003e\n\n\u003ch2\u003eAbout Boulder Opal\u003c\/h2\u003e\n\u003cp\u003eBoulder opal forms as veins of precious opal within ironstone matrix in the opal fields of Queensland — primarily Quilpie, Yowah and Winton. Unlike black opal from Lightning Ridge, the opal cannot be separated from its host rock; it's cut as a single solid piece, with the natural brown ironstone remaining as the stone's backing. This gives boulder opal its distinctive look — vivid colour against rich earth tones — and also makes it physically more durable than other opals, since the ironstone host is harder than the opal layer it carries.\u003c\/p\u003e\n\u003cp\u003eEach boulder opal is shaped by the natural geometry of the seam, so freeform and irregular shapes are common. The dark ironstone backing acts as a natural backdrop that intensifies the colour play above it — similar to how the dark body tone of a black opal works, but achieved by geology rather than gemmology.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStone:\u003c\/strong\u003e Solid Australian Boulder Opal (natural, untreated, ironstone matrix)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 29×20mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour Play:\u003c\/strong\u003e Dominant blue\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Tone:\u003c\/strong\u003e Dark\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrightness:\u003c\/strong\u003e Medium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePattern:\u003c\/strong\u003e Broadflash\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Bezel, sterling silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e Rhodium-plated, 45cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Queensland, Australia\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e One-of-a-kind — 1 piece available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCaring for Your Opal\u003c\/h2\u003e\n\u003cp\u003eOpals are softer than diamonds or sapphires, so a little care keeps yours brilliant for generations. Boulder opal is more robust than other opal varieties thanks to its ironstone backing, but the precious opal layer still benefits from gentle treatment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvoid knocks and hard impacts — store separately, ideally in a soft pouch or lined box\u003c\/li\u003e\n  \u003cli\u003eKeep away from extreme heat or sudden temperature changes\u003c\/li\u003e\n  \u003cli\u003eNever use ultrasonic cleaners, steam cleaners, or harsh chemical cleaners\u003c\/li\u003e\n  \u003cli\u003eClean gently with a soft, slightly damp cloth — no detergents, no alcohol\u003c\/li\u003e\n  \u003cli\u003eRemove before swimming, gardening, or anything rough\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTreated well, your opal will outlive you.\u003c\/p\u003e\n\n\u003ch2\u003eProvenance\u003c\/h2\u003e\n\u003cp\u003eEvery opal at Rocks On The Rocks is personally hand-selected by Joseph Bernecki — Polish-born, Australian-raised, and a 30+ year veteran of the Australian opal trade. Joseph sources direct from the fields at Lightning Ridge, Quilpie, Winton and Coober Pedy, and hand-picks each stone for its individual character before it's set in his Sydney workshop. You can meet him in person any weekend at The Rocks Market, stall under the bridge, Sydney.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs this a natural Australian opal?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eYes — a solid, natural boulder opal from Queensland. The opal and the ironstone backing are one piece, formed together in the ground. Not a doublet, not a triplet, not synthetic.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWhy is there ironstone on the back of the stone?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eBoulder opal naturally forms as veins of opal within ironstone matrix. The opal can't be separated from its host rock without destroying the stone, so it's cut and polished as one piece. The ironstone backing is part of the natural stone — and it makes boulder opals more durable than other opal varieties.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWhere does boulder opal come from?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eAlmost exclusively from the opal fields of central and south-west Queensland — Quilpie, Yowah, and Winton are the major producers. Joseph sources direct from these fields.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs the chain sterling silver?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eThe pendant setting is sterling silver. The chain is rhodium-plated — a platinum-group finish that resists tarnish and keeps the silver looking clean longer than uncoated silver.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDoes it come with certification?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eEach piece is backed by Joseph's personal guarantee — 30+ years sourcing direct from the Australian fields. Formal independent certification can be arranged on request, at cost.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDo you ship insured?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eAll pieces ship registered and fully insured within Australia. International shipping is available on request.\u003c\/div\u003e\u003c\/details\u003e\n\n\u003cp\u003eThis is a one-of-a-kind piece. Once sold, it cannot be replicated. Every opal at Rocks On The Rocks is hand-selected by Joseph for its individual character and quality.\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42651196948663,"sku":"1058","price":650.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd1058.1.jpg?v=1773822028"},{"product_id":"australian-opal-doublet-silver-pendant-135","title":"Australian Opal Doublet Silver Pendant 135","description":"\u003cp\u003eThis pendant displays a simple design, ideal for displaying your individual flair. The stunning opal doublet in bright green colors is a desirable add-on to any assortment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43453568614583,"sku":"Op Db Pd 135","price":380.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpDbPd135.1_72854f05-790c-4b92-8b70-f623084eeb64.jpg?v=1754030735"},{"product_id":"australian-opal-doublet-silver-pendant-138","title":"Australian Opal Doublet silver pendant 138","description":"\u003cp\u003eThis pendant highlights a beautiful fusion of colors, ideal for showcasing your individual taste. The captivating opal doublet displays a range of shades and alluring red flashes, making for an exceptional accessory.\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43453997711543,"sku":"Op Db Pd 138","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_3804no19.jpg?v=1725452275"},{"product_id":"australian-opal-doublet-silver-pendant-141","title":"Australian Opal Doublet Silver Pendant 141","description":"\u003cp\u003eSterling silver opal pendant featuring a vivid blue-green doublet opal set in an elegant twisted frame design. A unique, handcrafted gemstone necklace for everyday luxury or special gifts.\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43454297276599,"sku":"Op Db Pd 141","price":195.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpDbPd141.1.jpg?v=1725541606"},{"product_id":"australian-opal-doublet-silver-pendant-142","title":"Australian Opal Doublet Silver Pendant 142","description":"\u003cp\u003eThis Australian opal doublet silver pendant features predominantly green colors that add a unique touch to your outfit. The perfect way to showcase your individual style with a pop of vibrant color.\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43454382244023,"sku":"Op Db Pd 142","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpDbPd142.1.jpg?v=1725541703"},{"product_id":"australian-opal-doublet-silver-pendant-143","title":"Australian Opal Doublet Silver Pendant 143","description":"\u003cp\u003eThis silver pendant showcases a mesmerizing blue-green color from its Australian opal doublet, adding a distinct touch to any outfit. A must-have for those looking to express their unique sense of style with a vibrant pop of color.\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43454788731063,"sku":"Op Db Pd 143","price":255.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/Pd143.2.jpg?v=1739422724"},{"product_id":"australian-opal-doublet-silver-pendant-144","title":"Australian Opal Doublet Silver Pendant 144","description":"\u003cp\u003eThis silver pendant features a bold and vibrant multi-colored Australian opal doublet, perfect for adding a unique touch to any ensemble. A must-have for those looking to express their individual sense of style with a burst of color.\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43454872354999,"sku":"Op Db Pd 144","price":255.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpDbPd144.1.jpg?v=1748511431"},{"product_id":"australian-opal-doublet-silver-pendant-145","title":"Australian Opal Doublet Silver Pendant 145","description":"\u003cp\u003eThis silver pendant features a bold and vibrant multi-colored Australian opal doublet, perfect for adding a unique touch to any ensemble. A must-have for those looking to express their individual sense of style with a burst of color.\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43454997659831,"sku":"Op Db Pd 145","price":235.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpalLater1.1.jpg?v=1745672925"},{"product_id":"opal-gold-pendant-1061","title":"Australian Boulder Opal 18kt Gold Pendant 2061","description":"\u003cp\u003eExpertly crafted with 18 karat gold, this Opal Pendant features a stunning Australian Boulder opal stone, adding a touch of elegance to any jewelry collection. Its vibrant color and unique charm make it a valuable and coveted piece.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSize: small\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43599482388663,"sku":"Op Bld Pd 2061","price":1150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd1061.1.jpg?v=1727264943"},{"product_id":"opal-gold-pendant-1063","title":"Australian Bouldert Opal 18K Gold Pendant 2063","description":"\u003cp\u003eCrafted with 18 karat gold, this Opal Pendant showcases a dazzling Australian Boulder opal stone, elevating any jewelry collection with elegance. Its vibrant color and unique charm make it a sought-after and valuable addition.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSize: small\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43599485829303,"sku":"Op Bld Pd 2063","price":950.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd1063.2.jpg?v=1727265154"},{"product_id":"opal-gold-pendant-1065","title":"Australian Boulder Opal 18kt Gold Pendant 2065","description":"\u003cp\u003eCrafted from genuine 18 karat gold, the Opal Gold Pendant boasts a gorgeous Australian Boulder opal, elevating any jewelry collection with an air of refinement. Its striking color and unique charm make it an esteemed and valuable accessory.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSize: small\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43599490318519,"sku":"Op Bld Pd 2065","price":1180.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd1065.1.jpg?v=1727265385"},{"product_id":"opal-gold-pendant-1066","title":"Australian Boulder Opal 18kt Gold Pendant 2066","description":"\u003cp\u003eExpertly crafted from 18k gold, the Opal Gold Pendant highlights a stunning Australian Boulder opal, adding a touch of sophistication to any jewelry collection. With its vibrant hue and one-of-a-kind appeal, this accessory is highly prized and valuable.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSize: Small\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43599492087991,"sku":"Op Bld Pd 2066","price":1150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd1066.1.jpg?v=1727265491"},{"product_id":"opal-gold-pendant-1069","title":"Australian Boulder Opal 18kt Gold Pendant 2069","description":"\u003cp\u003eDesigned with 18k gold, the Opal Gold Pendant features a striking Australian Boulder opal, enhancing the elegance of any jewelry collection. Its unique color and rarity make it a coveted and valuable piece.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSize: small\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43599499985079,"sku":"Op Bld Pd 2069","price":880.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd1069.2.jpg?v=1759468887"},{"product_id":"opal-gold-pendant-1070","title":"Australian Boulder Opal 18kt Gold Pendant 2070","description":"\u003cp\u003eCrafted from 18k gold, the Opal Gold Pendant showcases an exquisite Australian Boulder opal, adding sophistication to any jewellery assortment. Its distinct hue and rareness make it a highly sought-after and prized item.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSize: Small.\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":43599503163575,"sku":"Op Bld Pd 2070","price":950.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd1070.1.jpg?v=1727266048"},{"product_id":"australian-opal-boulder-silver-pendant-1055","title":"Boulder Opal Pendant – Sterling Silver, Pinfire Red","description":"\u003cstyle\u003e.rotr-faq { border-bottom: 1px solid #e5e5e5; padding: 14px 4px; margin: 0; } .rotr-faq:first-of-type { border-top: 1px solid #e5e5e5; } .rotr-faq \u003e summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 4px 0; outline: none; } .rotr-faq \u003e summary::-webkit-details-marker { display: none; } .rotr-faq \u003e summary::after { content: \"+\"; font-size: 1.5em; font-weight: 300; line-height: 1; margin-left: 12px; transition: transform 0.2s ease; } .rotr-faq[open] \u003e summary::after { content: \"−\"; } .rotr-faq-answer { margin: 10px 0 0 0; }\u003c\/style\u003e\n\n\u003cp\u003eA 13×11mm stone with a light body tone and bright pinfire red — thousands of tiny points of colour scattered across the face of the opal like sparks frozen in the act of falling. Pinfire is one of the classic opal patterns; on a light-body stone the effect is especially lively, each pinpoint catching the light independently as the pendant moves. The dominant red gives the stone warmth and rarity — red is the least common colour in the opal spectrum. Set in a bezel of sterling silver on a 45cm rhodium-plated chain.\u003c\/p\u003e\n\n\u003ch2\u003eAbout Boulder Opal\u003c\/h2\u003e\n\u003cp\u003eBoulder opal forms as veins of precious opal within ironstone matrix in the opal fields of Queensland — primarily Quilpie, Yowah and Winton. Unlike black opal from Lightning Ridge, the opal cannot be separated from its host rock; it's cut as a single solid piece, with the natural brown ironstone remaining as the stone's backing. This gives boulder opal its distinctive look — vivid colour against rich earth tones — and also makes it physically more durable than other opals, since the ironstone host is harder than the opal layer it carries.\u003c\/p\u003e\n\u003cp\u003eEach boulder opal is shaped by the natural geometry of the seam, so freeform and irregular shapes are common. The dark ironstone backing acts as a natural backdrop that intensifies the colour play above it — similar to how the dark body tone of a black opal works, but achieved by geology rather than gemmology.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStone:\u003c\/strong\u003e Solid Australian Boulder Opal (natural, untreated, ironstone matrix)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 13×11mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour Play:\u003c\/strong\u003e Dominant red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Tone:\u003c\/strong\u003e Light\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrightness:\u003c\/strong\u003e Bright\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePattern:\u003c\/strong\u003e Pinfire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Bezel, sterling silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e Rhodium-plated, 45cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Queensland, Australia\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e One-of-a-kind — 1 piece available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCaring for Your Opal\u003c\/h2\u003e\n\u003cp\u003eOpals are softer than diamonds or sapphires, so a little care keeps yours brilliant for generations. Boulder opal is more robust than other opal varieties thanks to its ironstone backing, but the precious opal layer still benefits from gentle treatment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvoid knocks and hard impacts — store separately, ideally in a soft pouch or lined box\u003c\/li\u003e\n  \u003cli\u003eKeep away from extreme heat or sudden temperature changes\u003c\/li\u003e\n  \u003cli\u003eNever use ultrasonic cleaners, steam cleaners, or harsh chemical cleaners\u003c\/li\u003e\n  \u003cli\u003eClean gently with a soft, slightly damp cloth — no detergents, no alcohol\u003c\/li\u003e\n  \u003cli\u003eRemove before swimming, gardening, or anything rough\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTreated well, your opal will outlive you.\u003c\/p\u003e\n\n\u003ch2\u003eProvenance\u003c\/h2\u003e\n\u003cp\u003eEvery opal at Rocks On The Rocks is personally hand-selected by Joseph Bernecki — Polish-born, Australian-raised, and a 30+ year veteran of the Australian opal trade. Joseph sources direct from the fields at Lightning Ridge, Quilpie, Winton and Coober Pedy, and hand-picks each stone for its individual character before it's set in his Sydney workshop. You can meet him in person any weekend at The Rocks Market, stall under the bridge, Sydney.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs this a natural Australian opal?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eYes — a solid, natural boulder opal from Queensland. The opal and the ironstone backing are one piece, formed together in the ground. Not a doublet, not a triplet, not synthetic.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWhy is there ironstone on the back of the stone?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eBoulder opal naturally forms as veins of opal within ironstone matrix. The opal can't be separated from its host rock without destroying the stone, so it's cut and polished as one piece. The ironstone backing is part of the natural stone — and it makes boulder opals more durable than other opal varieties.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWhere does boulder opal come from?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eAlmost exclusively from the opal fields of central and south-west Queensland — Quilpie, Yowah, and Winton are the major producers. Joseph sources direct from these fields.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs the chain sterling silver?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eThe pendant setting is sterling silver. The chain is rhodium-plated — a platinum-group finish that resists tarnish and keeps the silver looking clean longer than uncoated silver.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDoes it come with certification?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eEach piece is backed by Joseph's personal guarantee — 30+ years sourcing direct from the Australian fields. Formal independent certification can be arranged on request, at cost.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDo you ship insured?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eAll pieces ship registered and fully insured within Australia. International shipping is available on request.\u003c\/div\u003e\u003c\/details\u003e\n\n\u003cp\u003eThis is a one-of-a-kind piece. Once sold, it cannot be replicated. Every opal at Rocks On The Rocks is hand-selected by Joseph for its individual character and quality.\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44055832494263,"sku":"1055","price":540.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/3.2.jpg?v=1733872013"},{"product_id":"australian-boulder-opal-gold-pendant-2010","title":"Australian Boulder Opal 18kt Gold Pendant 2010","description":"\u003cp\u003e18 karat gold Opal Pendant displays Australian Boulder opal solid stone, unusual square design with little diamond makes outstanding piece of unique jewelry. Unique beauty make it a valuable addition to any collection.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStone: 1.75 carat\u003c\/p\u003e\n\u003cp\u003eSize: small\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44055999381687,"sku":"Op Bld Pd 2010","price":1850.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/1.5.jpg?v=1733874891"},{"product_id":"australian-black-opal-gold-pendant-2011","title":"Australian Black Opal 18kt Gold Pendant 2011","description":"\u003cp\u003eAustralian Black Opal set in18 karat gold Pendant displays predominately green color with little diamond. Unique beauty for any collection.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStone: 1.15 carat\u003c\/p\u003e\n\u003cp\u003eSize: small\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44056060887223,"sku":"Op Bld Pd 2011","price":1600.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/5.1.jpg?v=1733875224"},{"product_id":"australian-boulder-opal-gold-pendant-2072","title":"Australian Boulder Opal 18kt Gold Pendant 2072","description":"\u003cp data-start=\"572\" data-end=\"1050\" class=\"\"\u003eThis elegant 18 karat gold pendant showcases two vibrant boulder opals sourced from Queensland, Australia—renowned for producing some of the world’s most brilliant opals. The upper opal is slender and elongated, while the lower one is a bold triangular shape, both exhibiting intense flashes of green and blue with hints of red under light. The stones are set in a rich yellow gold bezel, enhancing their natural beauty and providing a secure, modern setting.\u003c\/p\u003e\n\u003cp data-start=\"1052\" data-end=\"1274\" class=\"\"\u003eThe dynamic vertical arrangement gives this piece a sleek and contemporary silhouette, making it a stunning accent for both casual and formal wear. A true celebration of natural Australian opals, crafted in luxurious gold.\u003c\/p\u003e\n\u003cp data-start=\"136\" data-end=\"159\" class=\"\"\u003e\u003cstrong data-start=\"136\" data-end=\"159\"\u003ePendant Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"161\" data-end=\"570\" class=\"\"\u003e\u003cstrong data-start=\"161\" data-end=\"170\"\u003e\u003cem\u003eItem\u003c\/em\u003e:\u003c\/strong\u003e 18 Karat Gold Pendant \u003cbr data-start=\"265\" data-end=\"268\"\u003e\u003cem\u003e\u003cstrong data-start=\"268\" data-end=\"279\"\u003eStones:\u003c\/strong\u003e\u003c\/em\u003e Two Natural solid Boulder Opals\u003cbr data-start=\"305\" data-end=\"308\"\u003e\u003cem\u003e\u003cstrong data-start=\"308\" data-end=\"328\"\u003eOrigin of Opals:\u003c\/strong\u003e\u003c\/em\u003e Queensland, Australia\u003cbr data-start=\"400\" data-end=\"403\"\u003e\u003cem\u003e\u003cstrong data-start=\"403\" data-end=\"414\"\u003eDesign:\u003c\/strong\u003e\u003c\/em\u003e Dual-stone vertical drop pendant\u003cbr data-start=\"483\" data-end=\"486\"\u003e\u003cem\u003e\u003cstrong data-start=\"486\" data-end=\"505\"\u003ePendant Length:\u003c\/strong\u003e\u003c\/em\u003e Approx. 18mm\u003cbr data-start=\"518\" data-end=\"521\"\u003e\u003cem\u003e\u003cstrong data-start=\"521\" data-end=\"532\"\u003eWeight:\u003c\/strong\u003e \u003c\/em\u003e1.02 carat\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44363647844535,"sku":"Op Bld Pd 2072","price":1550.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBlrPd2072.6.jpg?v=1738389798"},{"product_id":"australian-boulder-opal-silver-cufflinks-3","title":"Australian Boulder Opal Silver Cufflinks 34","description":"\u003cp\u003eExperience the beauty of Australia with these Sterling Silver Cufflinks featuring a large split pair of Boulder Opals, sourced from western Queensland. These exquisite cufflinks make the perfect gift for any occasion.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44401793826999,"sku":"Op Cfl Bld 34","price":950.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldCfl3.1.jpg?v=1738989627"},{"product_id":"australian-opal-doublet-silver-pendant-229","title":"Australian Opal Doublet Silver Pendant 229","description":"\u003cp\u003eThis silver pendant features a stunning red flashes opal doublet, and is crafted in quality sterling silver. Simply and stunning must-have addition to any jewelry collection adding a touch of personal style and elegance. \u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44418235138231,"sku":"Op Db Pd 229","price":330.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpDbPd229.1.jpg?v=1739269150"},{"product_id":"australian-black-opal-gold-earrings-1029","title":"Australian Boulder Opal Gold Earrings 1029","description":"\u003cp\u003eBeautiful Queensland, Australian Boulder Opal, green color is skillfully set in 18K yellow gold earrings studs with little diamond. The unique shape showcases a stunning green hue, elevating the sophisticated and polished essence of the design.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e18 Karat gold \u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eBoulder opal Queensland\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eWeight: 3.28ct\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44534856843447,"sku":"Op Bld Err 1029","price":1750.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldErr1029.4.jpg?v=1762924399"},{"product_id":"australian-boulder-opal-gold-pendant-2081","title":"Australian Boulder Opal 18kt Gold Pendant 2081","description":"\u003cp\u003eA pendant featuring two black opals set in 18-karat gold, hanging from a gold chain. The upper opal is an asymmetrical teardrop shape with vivid green and blue flashes, while the lower opal is rectangular with a blend of red, orange, and blue hues. The pendant is displayed against a textured black background.\"\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eLength: 23mm\u003c\/p\u003e\n\u003cp\u003eOpal weight: 1.55ct\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44536194531511,"sku":"Op Bld Pd 2081","price":1550.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd2081.1.1a.jpg?v=1776836511"},{"product_id":"australian-boulder-opal-gold-pendant-2083","title":"Australian Black Opal 18kt Gold Pendant 2083","description":"\u003cp\u003eExperience the beauty and rarity of Black opal set in 18k yellow gold pendant from Australia's Lightning Ridge. Bright green color stone and little diamond on the top adds a sought-after and valuable element to any jewelry collection, making it a coveted addition.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOpal weight: 0.86ct\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44536198529207,"sku":"Op Blk Pd 2083","price":1450.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBlkPd2082.4.jpg?v=1741082723"},{"product_id":"australian-black-opal-gold-pendant-2084","title":"Australian Boulder Opal 18kt Gold Pendant 2084","description":"\u003cp\u003eExperience the exquisite and rare beauty of Australian Boulder Opal with this stunning 18k yellow gold pendant. The stone's striking dark red color adds a highly coveted and valuable element to any jewelry collection, making it a unique and must-have.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOpal weight: 2.68ct\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44536217370807,"sku":"Op Bld Pd 2084","price":1180.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd2084.2.jpg?v=1741844273"},{"product_id":"australian-opal-doublet-silver-pendant-232","title":"Australian Opal Doublet Silver Pendant \u0026 Earrings SET 232","description":"\u003cp\u003eHandcrafted sterling silver jewelry set featuring genuine Australian doublet opals. Includes matching opal stud earrings and a pendant necklace with vibrant green and blue fire. Perfect for gifts, anniversaries, or everyday elegance.\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44561778213047,"sku":"Op Db Pd Err 232","price":445.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpDbSet1.1.jpg?v=1741332376"},{"product_id":"australian-white-opal-silver-bracelet-11","title":"Australian White Opal Silver Bracelet 77","description":"\u003cp\u003eTimeless elegance of opal with White Opal Bracelet. These exquisite gemstones are beautifully set in high-quality sterling silver, resulting in a bold and luxurious piece. Let the shimmering opal stones add a touch of enchantment to your look.\u003c\/p\u003e\n\u003cp\u003eLength: 185mm = 7.28inch \u003cbr\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44576062570679,"sku":"Op Wht Bra 77","price":370.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpWhtBra11.4.jpg?v=1741411448"},{"product_id":"australian-black-opal-18kt-gold-pendant-2087","title":"Australian Black Opal 18kt Gold Pendant 2087","description":"\u003cp\u003eAustralian Black Opal with this magnificent 18kt gold pendant from Lightning Ridge. The rich green hue of the opal adds a highly coveted and valuable feature to any jewelry assortment, making it a must-have piece.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOpal weight: 1.63ct\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44726124970167,"sku":"Op Bld Pd 2085","price":1900.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBlkPd2087.1.jpg?v=1742283638"},{"product_id":"australian-boulder-opal-18kt-gold-pendant-2093","title":"Australian Boulder Opal 18kt Gold Pendant 2093","description":"\u003cp\u003eRare beauty of Australian Boulder Opal with this stunning 18k yellow gold pendant. The stone's striking vivid red color mixed with other colors creating stunning warm pattern making valuable element to any jewelry collection, making it a unique and must-have.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOrigin: Queensland Boulder opal  \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44827115389111,"sku":"Op Bld Pd 2093","price":3350.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldPd2093.6.jpg?v=1743502125"},{"product_id":"australian-boulder-opal-18kt-gold-pendant-2094","title":"Australian Boulder and Black Opal 18kt Gold Pendant 2094","description":"\u003cp\u003eLuxurious 18k yellow gold pendant showcasing natural boulder and black opals. Each opal displays brilliant flashes of green, blue, and fiery orange, making this handcrafted piece a one-of-a-kind statement in fine opal jewelry.\u003c\/p\u003e\n\u003cp\u003eMaterial: 18 Karat Yellow Gold\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTotal weight of stones 1.74ct\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44828789276855,"sku":"Op Bld Pd 2094","price":2850.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBlkPd2094.2.jpg?v=1743832346"},{"product_id":"australian-black-opal-18kt-gold-pendant-2096","title":"Australian Black Opal 18kt Gold Pendant 2096","description":"\u003cp data-start=\"753\" data-end=\"1246\" class=\"\"\u003eThis exquisite pendant features a genuine black opal crystal, carefully set in rich 18 karat yellow gold. The opal showcases a stunning play of color, with vibrant flashes of red, green, blue, and gold dancing across its surface—characteristic of premium-quality black opals. Above the opal, a single round brilliant-cut diamond accent adds a touch of classic elegance. The gold setting complements the opal’s iridescence beautifully, offering a luxurious yet timeless look.\u003c\/p\u003e\n\u003cp data-start=\"1248\" data-end=\"1383\" class=\"\"\u003ePerfect as a statement piece or a cherished gift, this pendant captures the magic and rarity of natural opal in a sophisticated design.\u003c\/p\u003e\n\u003cp data-start=\"225\" data-end=\"248\" class=\"\"\u003e\u003cstrong data-start=\"225\" data-end=\"248\"\u003ePendant Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"250\" data-end=\"751\" class=\"\"\u003e\u003cem\u003e\u003cstrong data-start=\"250\" data-end=\"259\"\u003eItem:\u003c\/strong\u003e \u003c\/em\u003e18 Karat Gold Pendant with Black Opal Crystal\u003cbr data-start=\"305\" data-end=\"308\"\u003e\u003cstrong data-start=\"308\" data-end=\"321\"\u003e\u003cem\u003eMateria\u003c\/em\u003el:\u003c\/strong\u003e Solid 18 karat gold\u003cbr data-start=\"341\" data-end=\"344\"\u003e\u003cem\u003e\u003cstrong data-start=\"344\" data-end=\"354\"\u003eStone:\u003c\/strong\u003e\u003c\/em\u003e Natural Black Opal Crystal\u003cbr data-start=\"381\" data-end=\"384\"\u003e\u003cem\u003e\u003cstrong data-start=\"384\" data-end=\"406\"\u003eAdditional Detail:\u003c\/strong\u003e\u003c\/em\u003e Small round diamond accent on the bail\u003cbr data-start=\"445\" data-end=\"448\" data-is-only-node=\"\"\u003e\u003cem\u003e\u003cstrong data-start=\"448\" data-end=\"459\"\u003eFinish:\u003c\/strong\u003e \u003c\/em\u003ePolished gold with secure custom bezel setting\u003cbr data-start=\"567\" data-end=\"570\"\u003e\u003cem\u003e\u003cstrong data-start=\"570\" data-end=\"579\"\u003eSize:\u003c\/strong\u003e\u003c\/em\u003e Approx. 2.5 cm pendant length including bail\u003cbr data-start=\"624\" data-end=\"627\"\u003e\u003cstrong data-start=\"627\" data-end=\"638\"\u003eWeight:\u003c\/strong\u003e 2.12 carat\u003cbr data-start=\"676\" data-end=\"679\"\u003e\u003cstrong data-start=\"679\" data-end=\"698\"\u003eOrigin of Opal:\u003c\/strong\u003e Lightning Ridge, Australia\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44833982218423,"sku":"Op Blk Pd 2096","price":2250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBlkPd2096.1.jpg?v=1743829227"},{"product_id":"australian-opal-boulder-gold-earrings-1508","title":"Australian Opal Boulder Gold Earrings 1508","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNEW\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThese elegant 18-karat yellow gold earrings feature solid boulder opals sourced from Western Queensland, Australia. Each opal displays a vibrant, striking green color and a unique freeform shape, celebrating the natural beauty of the stone. Delicate diamond accents above each opal add a touch of sparkle and sophistication, making these earrings a truly captivating statement piece.\u003c\/p\u003e\n\u003cp\u003eOpal weight 6.24 ct\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44837931385015,"sku":"Op Bld Err 1508","price":3850.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpBldErr1508.5.jpg?v=1744012157"},{"product_id":"australian-opal-doublet-silver-pendant-234","title":"Opal Doublet Pendant – Sterling Silver, Red \u0026 Blue Multicolour Flash","description":"\u003cstyle\u003e.rotr-faq { border-bottom: 1px solid #e5e5e5; padding: 14px 4px; margin: 0; } .rotr-faq:first-of-type { border-top: 1px solid #e5e5e5; } .rotr-faq \u003e summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 4px 0; outline: none; } .rotr-faq \u003e summary::-webkit-details-marker { display: none; } .rotr-faq \u003e summary::after { content: \"+\"; font-size: 1.5em; font-weight: 300; line-height: 1; margin-left: 12px; transition: transform 0.2s ease; } .rotr-faq[open] \u003e summary::after { content: \"\\2212\"; } .rotr-faq-answer { margin: 10px 0 0 0; }\u003c\/style\u003e\n\n\u003cp\u003eA gem-quality doublet — Joseph's own assessment, and he doesn't use that phrase lightly. This 27 × 12 mm stone carries dominant red fire with strong secondary blue rolling across a multicolour field, the colour bright and unambiguous even indoors. The opal is bezel-set in sterling silver and hangs on a solid sterling silver chain at 45 cm — long enough to rest just at the collarbone, short enough to sit close rather than drift. At $1,850 this is one of the more significant pieces in the doublet range, priced for what it actually is: a large, vivid, hand-selected stone that Joseph pulled from the fields himself.\u003c\/p\u003e\n\n\u003ch2\u003eAbout Opal Doublets\u003c\/h2\u003e\n\u003cp\u003eAn opal doublet is a thin slice of natural Australian opal cemented to a dark backing — usually ironstone or black potch (the common opal that doesn't carry colour play). Doublets are a legitimate technique used in the opal trade for over a century, and they exist for one good reason: solid opal thick enough to cut as a whole stone is rare, and using the precious opal layer efficiently means more people can own genuine Australian opal at a price that makes sense.\u003c\/p\u003e\n\u003cp\u003eThe opal in this piece is real, natural Australian opal — the same material you'd find in a solid stone, just used more efficiently. The dark backing serves the same function as the dark body tone in a black opal: it acts as a backdrop that intensifies the colour play above it. Visually, a good doublet can rival a solid stone for fire and brilliance — the difference is in the construction, not the opal itself.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStone:\u003c\/strong\u003e Natural Australian Opal Doublet (genuine opal layer with dark backing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 27 × 12 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour Play:\u003c\/strong\u003e Dominant red with secondary blue, multicolour field\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrightness:\u003c\/strong\u003e Bright\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePattern:\u003c\/strong\u003e Multicolour\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Bezel, sterling silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e Solid sterling silver, 45 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Australia\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e One-of-a-kind — 1 piece available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCaring for Your Opal Doublet\u003c\/h2\u003e\n\u003cp\u003eOpals are softer than diamonds or sapphires, so a little care keeps yours brilliant for generations. Doublets need one extra precaution that solid opals don't: avoid prolonged water exposure, as it can degrade the cement bond between the opal layer and the backing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvoid knocks and hard impacts — store separately, ideally in a soft pouch or lined box\u003c\/li\u003e\n  \u003cli\u003eAvoid prolonged water exposure — no swimming, no showering, dry off if it gets wet\u003c\/li\u003e\n  \u003cli\u003eKeep away from extreme heat or sudden temperature changes\u003c\/li\u003e\n  \u003cli\u003eNever use ultrasonic cleaners, steam cleaners, or harsh chemical cleaners\u003c\/li\u003e\n  \u003cli\u003eClean gently with a soft, slightly damp cloth — no detergents, no alcohol\u003c\/li\u003e\n  \u003cli\u003eRemove before gardening or anything rough\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTreated well, your doublet will hold its colour for decades.\u003c\/p\u003e\n\n\u003ch2\u003eProvenance\u003c\/h2\u003e\n\u003cp\u003eEvery opal at Rocks On The Rocks is personally hand-selected by Joseph Bernecki — Polish-born, Australian-raised, and a 30+ year veteran of the Australian opal trade. Joseph sources direct from the fields at Lightning Ridge, Quilpie, Winton and Coober Pedy, and hand-picks each stone for its individual character before it's set in his Sydney workshop. You can meet him in person any weekend at The Rocks Market, stall under the bridge, Sydney.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs this real Australian opal?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eYes — the opal layer is genuine natural Australian opal, the same material used in solid opal pieces. It's been crafted as a doublet, meaning the opal is cemented to a dark backing rather than left as a thicker solid stone. The opal itself is 100% natural and Australian.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWhat's the difference between a doublet and a solid opal?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eA solid opal is a single piece of opal, thick enough to cut and polish whole. A doublet is a thinner slice of opal cemented to a dark backing — the opal is the same material, just used more efficiently. Solid stones are rarer and more expensive; doublets give you genuine Australian opal colour at a more accessible price.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWill it last? Can the opal come unstuck?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eA well-made doublet will hold for decades with normal wear. The bond can fail if the piece is soaked in water for long periods (think extended swimming or showering), so the main rule is: avoid prolonged water exposure. Day-to-day wear, sweat, the occasional rain — all fine.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs the chain sterling silver?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eYes — both the pendant setting and the chain are solid sterling silver. No plating on this piece.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDoes it come with certification?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eEach piece is backed by Joseph's personal guarantee — 30+ years sourcing direct from the Australian fields. Formal independent certification can be arranged on request, at cost.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDo you ship insured?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eAll pieces ship registered and fully insured within Australia. International shipping is available on request.\u003c\/div\u003e\u003c\/details\u003e\n\n\u003cp\u003eThis is a one-of-a-kind piece. Once sold, it cannot be replicated. Every opal at Rocks On The Rocks is hand-selected by Joseph for its individual character and quality.\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44887712235703,"sku":"234","price":1850.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpDbPd234.5.jpg?v=1745996608"},{"product_id":"australian-opal-doublet-silver-pendant-235","title":"Opal Doublet Pendant – Sterling Silver, Red, Blue \u0026 Green Multicolour Flash","description":"\u003cstyle\u003e.rotr-faq { border-bottom: 1px solid #e5e5e5; padding: 14px 4px; margin: 0; } .rotr-faq:first-of-type { border-top: 1px solid #e5e5e5; } .rotr-faq \u003e summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 4px 0; outline: none; } .rotr-faq \u003e summary::-webkit-details-marker { display: none; } .rotr-faq \u003e summary::after { content: \"+\"; font-size: 1.5em; font-weight: 300; line-height: 1; margin-left: 12px; transition: transform 0.2s ease; } .rotr-faq[open] \u003e summary::after { content: \"\\2212\"; } .rotr-faq-answer { margin: 10px 0 0 0; }\u003c\/style\u003e\n\n\u003cp\u003eAnother gem-quality piece from Joseph's hand — a 14 × 19 mm doublet with dominant red fire and strong secondary blue-green moving across a multicolour field, the colour bright and clear. At 19 mm tall this is a stone that reads well from a distance; the proportions sit closer to a portrait shape, which gives it a presence on the neckline that narrower stones don't have. Bezel-set in sterling silver and hung on a solid sterling silver chain at 45 cm, it sits at the collarbone. A serious piece at a serious price — reflecting what Joseph saw in the stone when he pulled it from the field.\u003c\/p\u003e\n\n\u003ch2\u003eAbout Opal Doublets\u003c\/h2\u003e\n\u003cp\u003eAn opal doublet is a thin slice of natural Australian opal cemented to a dark backing — usually ironstone or black potch (the common opal that doesn't carry colour play). Doublets are a legitimate technique used in the opal trade for over a century, and they exist for one good reason: solid opal thick enough to cut as a whole stone is rare, and using the precious opal layer efficiently means more people can own genuine Australian opal at a price that makes sense.\u003c\/p\u003e\n\u003cp\u003eThe opal in this piece is real, natural Australian opal — the same material you'd find in a solid stone, just used more efficiently. The dark backing serves the same function as the dark body tone in a black opal: it acts as a backdrop that intensifies the colour play above it. Visually, a good doublet can rival a solid stone for fire and brilliance — the difference is in the construction, not the opal itself.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStone:\u003c\/strong\u003e Natural Australian Opal Doublet (genuine opal layer with dark backing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 14 × 19 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour Play:\u003c\/strong\u003e Dominant red with secondary blue-green, multicolour field\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrightness:\u003c\/strong\u003e Bright\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePattern:\u003c\/strong\u003e Multicolour\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Bezel, sterling silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e Solid sterling silver, 45 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Australia\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e One-of-a-kind — 1 piece available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCaring for Your Opal Doublet\u003c\/h2\u003e\n\u003cp\u003eOpals are softer than diamonds or sapphires, so a little care keeps yours brilliant for generations. Doublets need one extra precaution that solid opals don't: avoid prolonged water exposure, as it can degrade the cement bond between the opal layer and the backing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvoid knocks and hard impacts — store separately, ideally in a soft pouch or lined box\u003c\/li\u003e\n  \u003cli\u003eAvoid prolonged water exposure — no swimming, no showering, dry off if it gets wet\u003c\/li\u003e\n  \u003cli\u003eKeep away from extreme heat or sudden temperature changes\u003c\/li\u003e\n  \u003cli\u003eNever use ultrasonic cleaners, steam cleaners, or harsh chemical cleaners\u003c\/li\u003e\n  \u003cli\u003eClean gently with a soft, slightly damp cloth — no detergents, no alcohol\u003c\/li\u003e\n  \u003cli\u003eRemove before gardening or anything rough\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTreated well, your doublet will hold its colour for decades.\u003c\/p\u003e\n\n\u003ch2\u003eProvenance\u003c\/h2\u003e\n\u003cp\u003eEvery opal at Rocks On The Rocks is personally hand-selected by Joseph Bernecki — Polish-born, Australian-raised, and a 30+ year veteran of the Australian opal trade. Joseph sources direct from the fields at Lightning Ridge, Quilpie, Winton and Coober Pedy, and hand-picks each stone for its individual character before it's set in his Sydney workshop. You can meet him in person any weekend at The Rocks Market, stall under the bridge, Sydney.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs this real Australian opal?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eYes — the opal layer is genuine natural Australian opal, the same material used in solid opal pieces. It's been crafted as a doublet, meaning the opal is cemented to a dark backing rather than left as a thicker solid stone. The opal itself is 100% natural and Australian.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWhat's the difference between a doublet and a solid opal?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eA solid opal is a single piece of opal, thick enough to cut and polish whole. A doublet is a thinner slice of opal cemented to a dark backing — the opal is the same material, just used more efficiently. Solid stones are rarer and more expensive; doublets give you genuine Australian opal colour at a more accessible price.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eWill it last? Can the opal come unstuck?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eA well-made doublet will hold for decades with normal wear. The bond can fail if the piece is soaked in water for long periods (think extended swimming or showering), so the main rule is: avoid prolonged water exposure. Day-to-day wear, sweat, the occasional rain — all fine.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eIs the chain sterling silver?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eYes — both the pendant setting and the chain are solid sterling silver. No plating on this piece.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDoes it come with certification?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eEach piece is backed by Joseph's personal guarantee — 30+ years sourcing direct from the Australian fields. Formal independent certification can be arranged on request, at cost.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eDo you ship insured?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eAll pieces ship registered and fully insured within Australia. International shipping is available on request.\u003c\/div\u003e\u003c\/details\u003e\n\n\u003cp\u003eThis is a one-of-a-kind piece. Once sold, it cannot be replicated. Every opal at Rocks On The Rocks is hand-selected by Joseph for its individual character and quality.\u003c\/p\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":44887784358071,"sku":"235","price":1580.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/OpDbPd235.1.jpg?v=1745996373"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/collections\/OpalJewellery.jpg?v=1643593878","url":"https:\/\/www.rocksontherocks.com\/collections\/australian-opal-jewellery.oembed?page=5","provider":"Rocks On The Rocks","version":"1.0","type":"link"}