{"product_id":"natural-australian-winton-matrix-boulder-opal-39-93-carat-rectangle-cabochon-electric-blue-vein-collector-gemstone","title":"Natural Australian Winton Matrix Boulder Opal | 39.93 Carat Rectangle Cabochon | Electric Blue Vein Collector Gemstone","description":"\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan role=\"text\"\u003e3250 CODE10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAn extraordinary 39.93 carat Natural Winton Matrix Boulder Opal from Queensland, Australia, displaying striking electric-blue opal veins running through a rich natural ironstone matrix. This impressive gemstone showcases the dramatic contrast and natural artistry that have made Australian boulder opals some of the most collectible opals in the world.\u003c\/p\u003e\n\u003cp\u003eExpertly fashioned into a polished rectangle cabochon, the stone reveals vivid flashes of intense cobalt blue and royal blue opal naturally embedded within the host rock. These luminous opal veins create a captivating network-like pattern across the surface, making every specimen completely unique.\u003c\/p\u003e\n\u003cp\u003eOriginating from the renowned Winton opal fields of Queensland, this gemstone represents one of Australia's most fascinating natural treasures. The combination of durable ironstone and precious opal creates exceptional character while preserving the natural geological beauty formed over millions of years.\u003c\/p\u003e\n\u003cp\u003eWith an impressive weight approaching 40 carats, this specimen offers remarkable visual presence and collector appeal. Its large size, attractive patterning, and vibrant blue opal flashes make it suitable for high-end custom jewelry, display collections, or investment-grade gemstone portfolios.\u003c\/p\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eGemstone Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Boulder Opal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariety:\u003c\/strong\u003e Winton Matrix Boulder Opal\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 39.93 Carats\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Rectangle Cabochon\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Queensland, Australia\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBody Tone:\u003c\/strong\u003e Natural Ironstone Matrix\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlay-of-Color:\u003c\/strong\u003e Electric Blue Vein Pattern\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDominant Color:\u003c\/strong\u003e Royal Blue\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLuster:\u003c\/strong\u003e Vitreous\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None Reported\u003c\/p\u003e\n\u003ch1\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e✔ Natural Australian Boulder Opal\u003c\/p\u003e\n\u003cp\u003e✔ Rare Winton Matrix Variety\u003c\/p\u003e\n\u003cp\u003e✔ Impressive 39.93 Carat Size\u003c\/p\u003e\n\u003cp\u003e✔ Electric Blue Opal Veins\u003c\/p\u003e\n\u003cp\u003e✔ Collector-Grade Specimen\u003c\/p\u003e\n\u003cp\u003e✔ Unique Natural Pattern\u003c\/p\u003e\n\u003cp\u003e✔ Untreated Natural Stone\u003c\/p\u003e\n\u003cp\u003e✔ Queensland Origin\u003c\/p\u003e\n\u003cp\u003e✔ Statement Display Gemstone\u003c\/p\u003e\n\u003cp\u003e✔ One-of-a-Kind Formation\u003c\/p\u003e","brand":"Saleh Sallom","offers":[{"title":"Default Title","offer_id":46976003866812,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/8428\/1532\/files\/hf_20260531_101940_aeb4d43d-448f-4786-a318-bde71409ac4b.png?v=1781777187","url":"https:\/\/www.salehsallom.com\/products\/natural-australian-winton-matrix-boulder-opal-39-93-carat-rectangle-cabochon-electric-blue-vein-collector-gemstone","provider":"Saleh Sallom","version":"1.0","type":"link"}