{"product_id":"australian-boulder-opal-cabochon-52ct-39x17x5mm","title":"Australian Boulder Opal Cabochon 52ct – 39x17x5mm","description":"\u003ch2\u003eA Statement Stone — 52 Carats of Australian Boulder Opal\u003c\/h2\u003e\u003cp\u003eThis is a truly impressive specimen. At \u003cstrong\u003e52 carats\u003c\/strong\u003e and measuring a sweeping \u003cstrong\u003e39 x 17 x 5mm\u003c\/strong\u003e, this \u003cstrong\u003eAustralian Boulder Opal cabochon\u003c\/strong\u003e is a large, elongated stone with exceptional surface area to display its vivid play-of-colour. Whether destined for a collector's cabinet or a bespoke jewellery commission, this is a stone that commands attention.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Boulder Opal cabochon — natural Australian opal in ironstone host rock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 52 carats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 39mm (length) x 17mm (width) x 5mm (depth)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut:\u003c\/strong\u003e Cabochon — smooth, domed, and polished to maximise play-of-colour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Queensland, Australia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking:\u003c\/strong\u003e Natural ironstone matrix retained — adds structural integrity and a striking natural contrast to the opal's colour\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePlay-of-Colour\u003c\/h2\u003e\u003cp\u003eThe elongated form of this cabochon creates a broad canvas for boulder opal's signature \u003cstrong\u003eplay-of-colour\u003c\/strong\u003e — spectral flashes of electric blue, green, gold, red, and violet that shift and dance as the stone moves in light. At this size, the colour display is truly spectacular.\u003c\/p\u003e\u003ch2\u003eAbout Boulder Opal\u003c\/h2\u003e\u003cp\u003eFound almost exclusively in Queensland, Australia, boulder opal forms in thin seams within ironstone boulders. The ironstone host rock is retained as part of the finished stone, providing durability and a beautiful natural backdrop. Australia produces over 95% of the world's precious opal, and boulder opal is among its rarest and most distinctive varieties.\u003c\/p\u003e\u003ch2\u003eIdeal For\u003c\/h2\u003e\u003cp\u003eAt 52 carats and 39mm in length, this cabochon is ideal for a statement pendant, a large cocktail ring, a brooch, or as a centrepiece display stone for a serious collector. Its elongated shape lends itself beautifully to a horizontal pendant or bar setting.\u003c\/p\u003e\u003ch2\u003eCare Instructions\u003c\/h2\u003e\u003cp\u003eOpal contains water and can crack if exposed to extreme temperature changes or prolonged dryness. Store in a padded box away from direct sunlight. Clean gently with a soft, damp cloth. Avoid ultrasonic cleaners, steam, and harsh chemicals.\u003c\/p\u003e","brand":"MILBO LAGS Jewellery and Gems","offers":[{"title":"Default Title","offer_id":53015895671104,"sku":"53015895671104","price":520.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/4238\/5472\/files\/17865280441373518396630135527670.jpg?v=1786528077","url":"https:\/\/milbolags.myshopify.com\/products\/australian-boulder-opal-cabochon-52ct-39x17x5mm","provider":"MILBO LAGS Jewellery and Gems and Fossils","version":"1.0","type":"link"}