{"product_id":"9-88ct-natural-nbsp-sphene-precision-cut-green-color-madagascar-heart-shape-gemstone-wbgem-sha10","title":"9.88ct Natural Sphene precision cut Green color Madagascar heart shape Gemstone Wbgem SHA10","description":"\u003cdiv class=\"gemstone-description\"\u003e\n\u003cp\u003eDistinguished by optical fire that surpasses even that of diamond, this extraordinary \u003cstrong\u003e9.88-carat Natural Untreated Madagascar Sphene\u003c\/strong\u003e (also known gemologically as titanite) commands immediate attention. Masterfully fashioned into an exquisite heart brilliant with custom precision faceting, this rare collector's gem exhibits an electric forest-to-lime green body color saturated with an intense, kaleidoscopic multicolor spectral dispersion.\u003c\/p\u003e\n\u003cp\u003eWith a dispersion rating (0.051) significantly higher than diamond (0.044), sphene splits light into dazzling flashes of orange, red, yellow, and green. Sourced directly from the rich pegmatite deposits of Madagascar, this substantial near-10-carat crystal displays exceptional slight VVS clarity a remarkable achievement for a mineral species that almost universally crystallizes with heavy internal veiling. Completely untreated and in its virgin state, it represents a premier centerpiece for an avant-garde bespoke high-jewelry pendant or an elite collector vault.\u003c\/p\u003e\n\u003ch3\u003eGemstone Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600; width: 35%;\"\u003eSpecies\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eNatural Sphene (Titanite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eVariety\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eNatural Green Sphene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eCarat Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003e9.88 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eColor \u0026amp; Optical Effect\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eVivid Green with intense multi-color spectral fire (dispersion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eClarity\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eSlight VVS (Exceptional crystalline transparency for the species)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eShape \u0026amp; Cut\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eHeart Shape (Excellent Precision Brilliant Cut)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eRefractive Index \u0026amp; Dispersion\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eRI: 1.885 - 2.050 | Dispersion: 0.051 (Exceeds Diamond)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eEnhancement \/ Treatment\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003e\u003cstrong\u003eNo Indications of Treatment (100% Natural \u0026amp; Untreated)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eGeographic Origin\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eMadagascar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e5e5e5;\"\u003e\n\u003ctd style=\"padding: 10px 8px; font-weight: 600;\"\u003eItem Reference \/ SKU\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eWbgem SHA10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eThe Rarity \u0026amp; Optical Magic of Natural Sphene\u003c\/h3\u003e\n\u003cp\u003eSphene is cherished by connoisseurs for its strong birefringence (double refraction) and extraordinary fire. Because natural sphene rough is brittle and naturally prone to fractures, faceting a clean specimen approaching 10 carats into a sharp, symmetrical heart shape requires world-class lapidary mastery. Clean, vividly saturated green material from Madagascar of this magnitude is among the most coveted exotic gems in fine gemology.\u003c\/p\u003e\n\u003ch3\u003eCustom High-Jewelry Commission\u003c\/h3\u003e\n\u003cp\u003eThis precision-cut heart sphene is available loose for collector portfolios or ready for custom mounting. Consult with our master jeweler to engineer a protective halo pendant or custom cocktail setting in 18K yellow gold or platinum designed to showcase its unmatched light performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"WB Gem","offers":[{"title":"Default Title","offer_id":67728422076706,"sku":"SHA10","price":900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7051\/4210\/files\/9.88_carat_natural_untreated_Madagascar_green_sphene.jpg?v=1794070344","url":"https:\/\/wbgem.com\/products\/9-88ct-natural-nbsp-sphene-precision-cut-green-color-madagascar-heart-shape-gemstone-wbgem-sha10","provider":"WB Gem","version":"1.0","type":"link"}