{"product_id":"australian-opal-and-matrix-untreated-specimen-399-9cts","title":"Australian Andamooka Matrix Opal Untreated Specimen 399.9cts","description":"\u003cp\u003e\u003cstrong\u003eAustralian Andamooka Matrix Opal Untreated Specimen 399.9cts\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA gorgeous natural Australian Andamooka matrix opal specimen in its untreated state — and it is already strikingly beautiful. Underlying colours are clearly visible and will come out even more dramatically with the traditional carbon cooking treatment. A wonderful collector's piece, display stone, or carving blank with enormous potential.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 399.9cts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 98mm x 52mm x 6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Andamooka matrix opal specimen (untreated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Andamooka, South Australia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRef #:\u003c\/strong\u003e NM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eAndamooka matrix opal is a naturally porous stone that can be treated using a well-known carbon process to enhance its play-of-colour. This is a widely accepted and traditional treatment for Andamooka matrix opal and does not affect its durability or beauty. This specimen is currently untreated — contact us and we are happy to share the cooking recipe. Ethically sourced from Andamooka, South Australia.\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":41384291598471,"sku":"NM","price":340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0379\/8577\/9847\/files\/IMG_8809.heic?v=1714024159","url":"https:\/\/opalessence.net.au\/en-us\/products\/australian-opal-and-matrix-untreated-specimen-399-9cts","provider":"Opal Essence - Australian Opals \u0026 Gemstones","version":"1.0","type":"link"}