{"product_id":"8-73ct-etw-earth-mined-bluish-green-grandidierite-oval-cut-rare-gemstone","title":"8.73ct ETW Earth-Mined Bluish Green Grandidierite – Oval Cut, Rare Gemstone","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e8.73ct ETW Earth-Mined Bluish Green Grandidierite – Oval Cut, Rare Gemstone\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis impressive 8.73-carat earth-mined grandidierite from Madagascar features attractive bluish green coloration and a classic oval cut. Its substantial size and rarity make it an appealing 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 8.73ct ETW\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCut:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Oval Cut\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 13.5 x 11.0 x 8.6 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 bluish green grandidierite weighing 8.73ct ETW in an oval cut from Madagascar, featuring opaque clarity and unheated character.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGrandidierite is an exceptionally rare magnesium aluminum borosilicate mineral prized for its distinctive blue-green coloration. Its unusual color and limited availability make it particularly interesting to mineral enthusiasts and gemstone collectors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMadagascar is the principal source of gem-quality grandidierite, with the mineral becoming especially desirable in transparent and attractive blue-green specimens.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis gemstone is unheated and untreated, retaining its naturally occurring color without artificial enhancement. Its opaque clarity gives it a solid appearance, emphasizing its natural coloration and polished form.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt 8.73 carats and measuring 13.5 x 11.0 x 8.6 mm, this gemstone offers substantial visual presence. Its classic oval shape makes it suitable for a custom pendant, statement jewelry design, or collector's display.\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 jewelry with appropriate care. Protective settings are recommended to safeguard the gemstone against impacts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis individual Madagascan grandidierite combines impressive carat weight, distinctive bluish green coloration, and natural unheated character in a rare earth-mined 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, bluish green grandidierite, Madagascar gemstone, Madagascan grandidierite, oval cut grandidierite, opaque gemstone, unheated grandidierite, untreated grandidierite, 8.73ct grandidierite, rare gemstone, collector gemstone, natural blue green gemstone, statement pendant gemstone\u003c\/span\u003e\u003c\/p\u003e","brand":"West Coast Gemstones","offers":[{"title":"Default Title","offer_id":68570375192857,"sku":null,"price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9196\/9305\/files\/8.73ctETWEarth-MinedBluishGreenGrandidierite_OvalCut_RareGemstone.webp?v=1794061257","url":"https:\/\/westcoastgemstones.com\/products\/8-73ct-etw-earth-mined-bluish-green-grandidierite-oval-cut-rare-gemstone","provider":"West Coast","version":"1.0","type":"link"}