{"product_id":"2-04-carat-natural-cobalt-blue-spinel-tanzania","title":"2.04 Carat Natural Cobalt Blue Spinel – Tanzania","description":"\u003cp\u003e\u003cspan\u003eA striking \u003c\/span\u003e\u003cspan\u003e2.04 carat natural cobalt spinel from Tanzania\u003c\/span\u003e\u003cspan\u003e, displaying a deep blue body color with vivid flashes of brighter cobalt and electric blue as the gemstone moves through different angles of light.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe stone is fashioned in a classic \u003c\/span\u003e\u003cspan\u003eoval faceted cut\u003c\/span\u003e\u003cspan\u003e, measuring \u003c\/span\u003e\u003cspan\u003e8.22 × 6.32 × 5.1 mm\u003c\/span\u003e\u003cspan\u003e. At just over the important 2-carat mark, it offers substantial presence for a collector or as the centerpiece of a custom fine-jewelry design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe accompanying AIG gemological report identifies the gemstone specifically as \u003c\/span\u003e\u003cspan\u003eNATURAL COBALT SPINEL\u003c\/span\u003e\u003cspan\u003e, documents its \u003c\/span\u003e\u003cspan\u003eTanzanian origin\u003c\/span\u003e\u003cspan\u003e, and states \u003c\/span\u003e\u003cspan\u003e“No Indication Of Heat.”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGemstone Details\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eGemstone:\u003c\/span\u003e\u003cspan\u003e Natural Cobalt Spinel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWeight:\u003c\/span\u003e\u003cspan\u003e 2.04 carats\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eColor:\u003c\/span\u003e\u003cspan\u003e Blue\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOrigin:\u003c\/span\u003e\u003cspan\u003e Tanzania\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eShape\/Cut:\u003c\/span\u003e\u003cspan\u003e Oval Faceted Cut\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMeasurements:\u003c\/span\u003e\u003cspan\u003e 8.22 × 6.32 × 5.1 mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTreatment:\u003c\/span\u003e\u003cspan\u003e No indication of heat\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHardness:\u003c\/span\u003e\u003cspan\u003e 8.0 Mohs\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCondition:\u003c\/span\u003e\u003cspan\u003e Loose gemstone\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eGemological Report:\u003c\/span\u003e\u003cspan\u003e AIG – American International GemLab\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eReport No.:\u003c\/span\u003e\u003cspan\u003e GEM20260904179280\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eA Distinctive Collector Gemstone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNatural blue spinel occupies an unusual place within the spinel family, and cobalt-associated blue material is particularly sought after by collectors. This specimen combines \u003c\/span\u003e\u003cspan\u003edocumented cobalt spinel identification, Tanzanian origin, a weight exceeding 2 carats, and a report stating no indication of heat\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts oval faceting produces contrasting areas of deep navy blue and brighter electric-blue flashes, creating a dramatically different appearance as the stone is rotated through the light.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNatural Character\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a \u003c\/span\u003e\u003cspan\u003enaturally included gemstone\u003c\/span\u003e\u003cspan\u003e. Internal characteristics may become considerably more apparent under high-magnification macro photography than during ordinary viewing. Listing photographs are intended to provide a detailed representation of the stone’s natural character.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eColor, brightness and reflections can vary depending on lighting conditions, camera settings and viewing angle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOffered at $4,000\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn impressive \u003c\/span\u003e\u003cspan\u003e2.04 ct natural Tanzanian cobalt spinel\u003c\/span\u003e\u003cspan\u003e for the collector seeking an unusual blue gemstone with documented identification and origin.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe exact gemstone pictured is the gemstone you will receive.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rogue Valley Gem Exchange ","offers":[{"title":"Default Title","offer_id":52436310851880,"sku":null,"price":4000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/4059\/6008\/files\/IMG-6485.png?v=1789810866","url":"https:\/\/shop.roguevalleygemexchange.com\/products\/2-04-carat-natural-cobalt-blue-spinel-tanzania","provider":"Rogue Valley Gem Exchange ","version":"1.0","type":"link"}