{"title":"Queenland Boulder Opal","description":"\u003cp\u003eQueensland Boulder Opal Collection\u003c\/p\u003e","products":[{"product_id":"11-75ct-boulder-opal","title":"11.75 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e11.75 ct Natural Queensland Boulder Opal\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis vibrant 11.75 carat natural boulder opal displays classic Queensland characteristics: brilliant flashes of colour in thin veins of precious opal embedded within dark ironstone host rock.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47605008236736,"sku":"QB1","price":500.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_5754_cf6539b9-b1ab-4464-830a-58aa8ed447d5.jpg?v=1772590415"},{"product_id":"151-35ct-boulder-opal","title":"151.35 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e151.35 ct Natural Queensland Boulder Opal – Stock QB2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47613218521280,"sku":"QB2","price":150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0007.heic?v=1772751795"},{"product_id":"108-25ct-boulder-opal","title":"108.25 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e108.25 ct Natural Queensland Boulder Opal – Stock QB3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47613272457408,"sku":"QB3","price":150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0011_c4b45745-7da9-41b5-b4c7-cf80e4029563.heic?v=1772752606"},{"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"},{"product_id":"74-40ct-koroit-opal","title":"74.40 ct Koroit Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e74.40 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":47613304275136,"sku":null,"price":150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0014.heic?v=1772754863"},{"product_id":"48ct-boulder-opal","title":"48 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e48 ct Natural Queensland Boulder Opal – Stock QB6\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47613347791040,"sku":"QB6","price":150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0017.heic?v=1772755851"},{"product_id":"74-50-boulder-opal","title":"74.50 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e74.50 ct Natural Queensland Boulder Opal – Stock QB7\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47613353918656,"sku":"QB7","price":200.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0019.heic?v=1772756113"},{"product_id":"35-80-boulder-opal","title":"35.80 ct Boulder Opal","description":"\u003cdiv id=\"shopify-section-template--20324640915648__main\" class=\"shopify-section\"\u003e\n\u003cdiv class=\"product-information section section--page-width spacing-style color-scheme-1 relative\" data-testid=\"product-information\"\u003e\n\u003cdiv class=\"product-information__grid product-information--media-left\" data-product-grid-content=\"\"\u003e\n\u003cdiv id=\"ProductInformation-template--20324640915648__main\" class=\"product-details\n     sticky-content--desktop\" data-testid=\"product-information-details\"\u003e\n\u003cdiv class=\"group-block\n    group-block--height-fit\n    group-block--width-fill\n    border-style\n    spacing-style\n    size-style\" data-testid=\"group-block\"\u003e\n\u003cdiv class=\"group-block-content\n      \n      layout-panel-flex\n      layout-panel-flex--column\"\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e35.80 ct Natural Queensland Boulder Opal – Stock QB9\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47772718366912,"sku":"QB9","price":30.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0073.heic?v=1773192235"},{"product_id":"78-20-boulder-opal","title":"78.20 ct Boulder Opal","description":"\u003cdiv id=\"shopify-section-template--20324640915648__main\" class=\"shopify-section\"\u003e\n\u003cdiv class=\"product-information section section--page-width spacing-style color-scheme-1 relative\" data-testid=\"product-information\"\u003e\n\u003cdiv class=\"product-information__grid product-information--media-left\" data-product-grid-content=\"\"\u003e\n\u003cdiv id=\"ProductInformation-template--20324640915648__main\" class=\"product-details\n     sticky-content--desktop\" data-testid=\"product-information-details\"\u003e\n\u003cdiv class=\"group-block\n    group-block--height-fit\n    group-block--width-fill\n    border-style\n    spacing-style\n    size-style\" data-testid=\"group-block\"\u003e\n\u003cdiv class=\"group-block-content\n      \n      layout-panel-flex\n      layout-panel-flex--column\"\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e78.20 ct Natural Queensland Boulder Opal – Stock QB12\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47772724920512,"sku":"QB12","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0080.heic?v=1773192997"},{"product_id":"37-75ct-boulder-opal","title":"37.75 ct Boulder Opal","description":"\u003cdiv id=\"shopify-section-template--20324640915648__main\" class=\"shopify-section\"\u003e\n\u003cdiv class=\"product-information section section--page-width spacing-style color-scheme-1 relative\" data-testid=\"product-information\"\u003e\n\u003cdiv class=\"product-information__grid product-information--media-left\" data-product-grid-content=\"\"\u003e\n\u003cdiv id=\"ProductInformation-template--20324640915648__main\" class=\"product-details\n     sticky-content--desktop\" data-testid=\"product-information-details\"\u003e\n\u003cdiv class=\"group-block\n    group-block--height-fit\n    group-block--width-fill\n    border-style\n    spacing-style\n    size-style\" data-testid=\"group-block\"\u003e\n\u003cdiv class=\"group-block-content\n      \n      layout-panel-flex\n      layout-panel-flex--column\"\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e37.75 ct Natural Queensland Boulder Opal – Stock QB13\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47772728066240,"sku":null,"price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0083.heic?v=1773193631"},{"product_id":"83-80-boulder-opap","title":"83.80 ct Boulder Opal","description":"\u003cdiv id=\"shopify-section-template--20324640915648__main\" class=\"shopify-section\"\u003e\n\u003cdiv class=\"product-information section section--page-width spacing-style color-scheme-1 relative\" data-testid=\"product-information\"\u003e\n\u003cdiv class=\"product-information__grid product-information--media-left\" data-product-grid-content=\"\"\u003e\n\u003cdiv id=\"ProductInformation-template--20324640915648__main\" class=\"product-details\n     sticky-content--desktop\" data-testid=\"product-information-details\"\u003e\n\u003cdiv class=\"group-block\n    group-block--height-fit\n    group-block--width-fill\n    border-style\n    spacing-style\n    size-style\" data-testid=\"group-block\"\u003e\n\u003cdiv class=\"group-block-content\n      \n      layout-panel-flex\n      layout-panel-flex--column\"\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e83.80 ct Natural Queensland Boulder Opal – Stock QB3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47772733014208,"sku":"QB14","price":140.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0085.heic?v=1773194148"},{"product_id":"64-20ct-boulder-opal","title":"64.20 ct Boulder Opal","description":"\u003cdiv id=\"shopify-section-template--20324640915648__main\" class=\"shopify-section\"\u003e\n\u003cdiv class=\"product-information section section--page-width spacing-style color-scheme-1 relative\" data-testid=\"product-information\"\u003e\n\u003cdiv class=\"product-information__grid product-information--media-left\" data-product-grid-content=\"\"\u003e\n\u003cdiv id=\"ProductInformation-template--20324640915648__main\" class=\"product-details\n     sticky-content--desktop\" data-testid=\"product-information-details\"\u003e\n\u003cdiv class=\"group-block\n    group-block--height-fit\n    group-block--width-fill\n    border-style\n    spacing-style\n    size-style\" data-testid=\"group-block\"\u003e\n\u003cdiv class=\"group-block-content\n      \n      layout-panel-flex\n      layout-panel-flex--column\"\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e64.20 ct Natural Queensland Boulder Opal – Stock QB17\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47772746711232,"sku":"QB17","price":140.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0092.heic?v=1773194858"},{"product_id":"99-25ct-boulder-opal","title":"99.25 ct Boulder Opal","description":"\u003cdiv id=\"shopify-section-template--20324640915648__main\" class=\"shopify-section\"\u003e\n\u003cdiv class=\"product-information section section--page-width spacing-style color-scheme-1 relative\" data-testid=\"product-information\"\u003e\n\u003cdiv class=\"product-information__grid product-information--media-left\" data-product-grid-content=\"\"\u003e\n\u003cdiv id=\"ProductInformation-template--20324640915648__main\" class=\"product-details\n     sticky-content--desktop\" data-testid=\"product-information-details\"\u003e\n\u003cdiv class=\"group-block\n    group-block--height-fit\n    group-block--width-fill\n    border-style\n    spacing-style\n    size-style\" data-testid=\"group-block\"\u003e\n\u003cdiv class=\"group-block-content\n      \n      layout-panel-flex\n      layout-panel-flex--column\"\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e99.25 ct Natural Queensland Boulder Opal – Stock QB18\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47772747759808,"sku":"QB18","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0094.heic?v=1773195279"},{"product_id":"51-95ct-boulder-opal","title":"51.95 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e51.95 ct Natural Queensland Boulder Opal – Stock QB19\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47796359954624,"sku":"QB19","price":80.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0174.heic?v=1773712236"},{"product_id":"65-30ct-koriot-boulder-opal","title":"65.30 ct Koroit Boulder Opal","description":"\u003cdiv id=\"shopify-section-template--20324640915648__main\" class=\"shopify-section\"\u003e\n\u003cdiv class=\"product-information section section--page-width spacing-style color-scheme-1 relative\" data-testid=\"product-information\"\u003e\n\u003cdiv class=\"product-information__grid product-information--media-left\" data-product-grid-content=\"\"\u003e\n\u003cdiv id=\"ProductInformation-template--20324640915648__main\" class=\"product-details\n     sticky-content--desktop\" data-testid=\"product-information-details\"\u003e\n\u003cdiv class=\"group-block\n    group-block--height-fit\n    group-block--width-fill\n    border-style\n    spacing-style\n    size-style\" data-testid=\"group-block\"\u003e\n\u003cdiv class=\"group-block-content\n      \n      layout-panel-flex\n      layout-panel-flex--column\"\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e65.30 ct Koroit Boulder Opal\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\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47796463370432,"sku":"QB22","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0180.heic?v=1773713468"},{"product_id":"90ct-boulder-opal","title":"90 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e80.75 ct Natural Queensland Boulder Opal – Stock QB23\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47796465959104,"sku":"QB23","price":200.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0182.heic?v=1773713845"},{"product_id":"38-40ct-boulder-opal","title":"38.40 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e38.40ct Natural Queensland Boulder Opal – Stock QB24\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47796485685440,"sku":"QB24","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0185.heic?v=1773715113"},{"product_id":"49-55ct-boulder-opal","title":"49.55 ct Boulder Opal","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e49.55ct Natural Queensland Boulder Opal – Stock QB25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eQueensland boulder opal forms exclusively in Queensland's outback, where silica-rich water deposits microscopic spheres in cracks and voids of ancient ironstone boulders. The result is a durable gem with striking contrast between fiery play-of-color and earthy matrix—often resembling miniature landscapes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTied to the ~100-million-year-old Winton Formation, these opals are geologically ancient and rare. High-quality pieces with intense color and appealing patterns are limited by sparse, remote deposits, making Queensland boulder opal one of Australia's most prized varieties after black opal.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eA unique Australian treasure capturing timeless rarity and wild beauty.\u003c\/p\u003e","brand":"MiloOpal Australia","offers":[{"title":"Default Title","offer_id":47796497383616,"sku":"QB25","price":60.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/files\/IMG_0187.heic?v=1773715343"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5531\/7696\/collections\/IMG_5754.jpg?v=1774926943","url":"https:\/\/miloopal.com\/collections\/boulder-opal.oembed","provider":"MiloOpal Australia","version":"1.0","type":"link"}