{"product_id":"20-73ct-etw-earth-mined-natural-black-spinel-cushion-cabochon-thailand","title":"20.73ct ETW Earth-Mined Natural Black Spinel – Cushion Cabochon, Thailand","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e20.73ct ETW Earth-Mined Natural Black Spinel – Cushion Cabochon, Thailand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis impressive 20.73-carat earth-mined black spinel from Thailand features a polished cushion cabochon cut and a deep black appearance. Its substantial size, smooth finish, and distinctive reflective surface make it an appealing choice for statement jewelry or gemstone collecting.\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 Natural Black Spinel\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCarat Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20.73ct ETW\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCut:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cushion Cabochon, Polished Both Sides\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 18.3 x 12.8 x 7.7 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 Thailand\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 natural black spinel weighing 20.73ct ETW in a cushion cabochon cut from Thailand, featuring opaque clarity and unheated character.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBlack spinel is a naturally occurring member of the spinel mineral group, appreciated for its rich dark appearance, smooth polish, and attractive reflective qualities. Its understated elegance makes it a popular choice for distinctive jewelry designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis specimen features an opaque black appearance with a polished cabochon finish on both sides. Unlike faceted gemstones, its smooth surfaces emphasize color, texture, and reflective highlights.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThailand is an established source of natural spinel and an important center for the international colored gemstone trade. This gemstone is listed as natural and unheated, with no treatment indicated.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt 20.73 carats and measuring 18.3 x 12.8 x 7.7 mm, this substantial spinel offers excellent visual presence. Its cushion shape makes it particularly suitable for a bold statement ring, pendant, or custom jewelry centerpiece.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpinel has a Mohs hardness of approximately 8, offering good resistance to scratching and making it suitable for everyday jewelry with appropriate care.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis individual Thai black spinel combines impressive size, classic cushion cabochon styling, and natural opaque coloration in a distinctive loose 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 spinel, natural black spinel, Thai black spinel, Thailand gemstone, cushion cabochon spinel, polished spinel, opaque black gemstone, unheated spinel, 20.73ct spinel, large black gemstone, natural spinel, statement jewelry gemstone, collector gemstone, custom pendant gemstone\u003c\/span\u003e\u003c\/p\u003e","brand":"West Coast Gemstones","offers":[{"title":"Default Title","offer_id":68556659786009,"sku":null,"price":74.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9196\/9305\/files\/20.73ctETWEarth-MinedNaturalBlackSpinel_CushionCabochon_Thailand.webp?v=1793982567","url":"https:\/\/westcoastgemstones.com\/products\/20-73ct-etw-earth-mined-natural-black-spinel-cushion-cabochon-thailand","provider":"West Coast","version":"1.0","type":"link"}