{"product_id":"8-22ct-etw-earth-mined-bluish-green-grandidierite-cushion-cut-rare-gemstone","title":"8.22ct ETW Earth-Mined Bluish Green Grandidierite – Cushion Cut, Rare Gemstone","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e8.22ct ETW Earth-Mined Bluish Green Grandidierite – Cushion Cut, Rare Gemstone\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis impressive 8.22-carat earth-mined grandidierite from Madagascar features attractive bluish green coloration and a classic cushion cut. Its substantial size and rarity make it an interesting choice for gemstone collectors and distinctive custom jewelry designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGemstone:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bluish Green Grandidierite\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCarat Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8.22ct ETW\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCut:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cushion Cut\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12.3 x 12.2 x 7.8 mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eClarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Opaque\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTreatment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Unheated\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOrigin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Madagascar\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e New\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eEarth-mined Madagascar grandidierite weighing 8.22ct ETW in a cushion cut, featuring opaque clarity, natural bluish green coloration, and unheated character.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGrandidierite is a rare magnesium aluminum borosilicate mineral prized for its distinctive blue-green to greenish blue coloration. Fine transparent specimens are particularly uncommon, making this mineral highly interesting to collectors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMadagascar is the principal source of gem-quality grandidierite and is internationally recognized for producing specimens of this unusual mineral. Its distinctive coloration and relative rarity give it a special place among collectible gemstones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis specimen is unheated and untreated, retaining its naturally occurring coloration without enhancement. Its opaque clarity gives it a solid appearance, with color and polished form providing its primary visual appeal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt 8.22 carats and measuring 12.3 x 12.2 x 7.8 mm, this gemstone offers substantial presence. Its symmetrical cushion shape makes it suitable for a custom statement pendant or an addition to a rare mineral collection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGrandidierite has a Mohs hardness of approximately 7 to 7.5, offering reasonable durability for carefully designed jewelry. Protective settings and gentle handling are recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis individual Madagascan grandidierite combines impressive size, distinctive bluish green coloration, and natural unheated character in a rare collectible gemstone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(Stock Code: ABMM)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKeywords: loose gemstone, earth-mined grandidierite, natural grandidierite, Madagascar grandidierite, Madagascar gemstone, bluish green gemstone, cushion cut grandidierite, opaque grandidierite, unheated grandidierite, untreated grandidierite, 8.22ct grandidierite, rare gemstone, collector gemstone, natural blue green mineral, statement pendant gemstone\u003c\/span\u003e\u003c\/p\u003e","brand":"West Coast Gemstones","offers":[{"title":"Default Title","offer_id":68553407234329,"sku":null,"price":288.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9196\/9305\/files\/8.22ctETWEarth-MinedBluishGreenGrandidierite_CushionCut_RareGemstone.webp?v=1793980404","url":"https:\/\/westcoastgemstones.com\/products\/8-22ct-etw-earth-mined-bluish-green-grandidierite-cushion-cut-rare-gemstone","provider":"West Coast","version":"1.0","type":"link"}