{"product_id":"opal-doublet-pendant-2606","title":"Opal Doublet Pendant – Sterling Silver, 13×8mm, Red Flash of Colour","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\u003eRed is the rarest colour in Australian opal — most stones run green, blue or teal, and a clean red flash is genuinely hard to find at any price. This 13×8mm doublet delivers exactly that: a single strong flash of red that shifts as the pendant moves, set in a sterling silver bezel on a rhodium-plated chain. At this price, it sits well below what a comparable red-fire solid opal would cost, while carrying the same natural Australian opal material. A piece that punches above its price.\u003c\/p\u003e\n\n\u003ch3\u003eAbout Opal Doublet\u003c\/h3\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: solid opal thick enough to cut as a whole stone is rare, so using the precious opal layer efficiently means more people can own genuine Australian opal at a sensible price. The opal itself is the same material you'd find in a solid stone — just used more efficiently — and the dark backing intensifies the colour play above it.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStone:\u003c\/strong\u003e Australian Opal Doublet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 13×8mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour Play:\u003c\/strong\u003e Red\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 Flash of colour\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e Doublet\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 Australian opal\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\u003ch3\u003eCaring for Your Opal\u003c\/h3\u003e\n\u003cp\u003eOpal is softer than diamond or sapphire, and doublets need extra care around water — prolonged exposure can degrade the bond between the opal layer and its backing. See \u003ca href=\"\/pages\/opal-care\"\u003eOpal Care\u003c\/a\u003e for the full routine including doublet-specific notes.\u003c\/p\u003e\n\n\u003ch3\u003eProvenance\u003c\/h3\u003e\n\u003cp\u003eHand-selected by Joseph Bernecki, sourced direct from the Australian opal fields and set in his Sydney workshop. Meet him any weekend at The Rocks Market, stall under the bridge, Sydney. \u003ca href=\"\/pages\/about-rocks-on-the-rocks\"\u003eRead Joseph's story →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eCommon Questions\u003c\/h3\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\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\u003eWhy is red the rarest opal colour?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eOpal colour play comes from the diffraction of light through tiny stacked silica spheres. Red sits at the long-wavelength end of the visible spectrum and only diffracts when those spheres are large and evenly ordered — a rare structural condition. Most opal fields produce far more blue and green than red. A stone with a clean, dominant red flash is genuinely uncommon, which is why red-dominant opals carry a premium over otherwise comparable green or blue stones.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"rotr-faq\"\u003e\u003csummary\u003eCertification, shipping, returns?\u003c\/summary\u003e\u003cdiv class=\"rotr-faq-answer\"\u003eEvery piece is backed by Joseph's personal guarantee, ships fully insured within Australia, and can be returned within 14 days. See \u003ca href=\"\/pages\/buying-an-opal\"\u003eBuying an Opal\u003c\/a\u003e for the full breakdown.\u003c\/div\u003e\u003c\/details\u003e","brand":"Rocks On The Rocks","offers":[{"title":"Default Title","offer_id":42564188831927,"sku":"2606","price":380.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/9176\/1987\/files\/IMG_2994.jpg?v=1712370394","url":"https:\/\/www.rocksontherocks.com\/products\/opal-doublet-pendant-2606","provider":"Rocks On The Rocks","version":"1.0","type":"link"}