{"product_id":"coober-pedy-crystal-opal-11-5cts","title":"Coober Pedy Crystal Opal 11.5 ct - Large Multi-Colour Cabochon 26x16mm","description":"\u003cp\u003e\u003cstrong\u003eCoober Pedy Crystal Opal 11.5ct – Large Multi-Colour Cabochon 26x16mm\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA truly impressive natural solid crystal opal from Coober Pedy, South Australia. At 11.5 carats and 26x16mm, this is a large, statement-grade stone with exceptional face area and bright multi-colour play-of-colour. Professionally cut and polished, it would make a breathtaking centrepiece pendant — the kind of opal that stops people in their tracks.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 11.5 carats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 26 × 16 × 3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Natural solid crystal opal cabochon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransparency:\u003c\/strong\u003e Crystal (transparent to semi-transparent body)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Coober Pedy, South Australia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Bright multi-colour play-of-colour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Professionally cut and polished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e None — 100% natural, untreated solid opal. No backing, no coating, no enhancements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e Mohs 5.5–6.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRef:\u003c\/strong\u003e #8149\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSetting Suitability\u003c\/h3\u003e\u003cp\u003eThe generous 26×16mm face area and 3mm depth make this stone ideal for a bezel-set pendant, brooch, or a large statement ring. Suitable for both silver and gold settings. We recommend a bezel or rub-over setting to protect the edges.\u003c\/p\u003e\u003ch3\u003eCare\u003c\/h3\u003e\u003cp\u003eOpals are best kept away from prolonged heat, harsh chemicals, and ultrasonic cleaners. Store separately to avoid scratching. A light wipe with a soft damp cloth is all that's needed to keep this stone looking its best.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eEthically mined in Coober Pedy, South Australia. Natural, untreated solid opal — no backing, no coating.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eContact Opal Essence for more information.\u003c\/em\u003e\u003c\/p\u003e","brand":"Opal Essence","offers":[{"title":"Default Title","offer_id":44022999613575,"sku":"8149","price":690.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0379\/8577\/9847\/files\/australian-coober-pedy-unset-pendant-opal-11.5-carats-8149-3.jpg?v=1773110783","url":"https:\/\/opalessence.net.au\/products\/coober-pedy-crystal-opal-11-5cts","provider":"Opal Essence - Australian Opals \u0026 Gemstones","version":"1.0","type":"link"}