{"product_id":"55-80ct-koroit-boulder-opal","title":"55.80 ct Koroit Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e55.80 ct Natural Queensland Koroit Boulder Opal – Stock QB4\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eKoroit boulder opal is a highly prized type of boulder opal mined exclusively from the remote Koroit opal field in southwest Queensland, Australia.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eBoulder opal forms when precious opal fills cracks, veins, cavities, or voids within a natural host rock—typically dark ironstone (a hard, brownish matrix). Unlike seam or black opals that form in softer clay or sandstone, boulder opals retain part of this tough ironstone backing, which gives them durability and a distinctive look.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47613277667520,"sku":"QB4","price":150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0012.heic?v=1772753286","url":"https:\/\/miloopal.com\/products\/55-80ct-koroit-boulder-opal","provider":"MiloOpal Australia","version":"1.0","type":"link"}