{"product_id":"1-96-carat-natural-color-change-spinel-tanzania","title":"1.96 Carat Natural Color-Change Spinel – Tanzania","description":"\u003cp\u003e\u003cspan\u003eA fascinating \u003c\/span\u003e\u003cspan\u003e1.96 carat natural color-change spinel from Tanzania\u003c\/span\u003e\u003cspan\u003e, displaying a distinctive transition from \u003c\/span\u003e\u003cspan\u003eblue to purple\u003c\/span\u003e\u003cspan\u003e as the lighting environment changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe accompanying AIG gemological report specifically identifies the stone as \u003c\/span\u003e\u003cspan\u003eNatural Spinel (Color Change)\u003c\/span\u003e\u003cspan\u003e and documents the blue-to-purple color behavior. Under incandescent lighting, the change becomes particularly apparent, giving this gemstone two dramatically different personalities.\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 Color-Change Spinel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWeight:\u003c\/span\u003e\u003cspan\u003e 1.96 carats\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eColor:\u003c\/span\u003e\u003cspan\u003e Blue to Purple\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:\u003c\/span\u003e\u003cspan\u003e Cushion Cut\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMeasurements:\u003c\/span\u003e\u003cspan\u003e 8.23 × 6.57 × 4.6 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\u003eReport:\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 GEM20260831178598\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eNatural Color Change\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eColor-change spinel is an unusual variety of natural spinel whose appearance changes according to the spectral characteristics of the light illuminating it. Tanzanian material is among the sources represented in today’s color-change spinel market.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis specimen transitions from a \u003c\/span\u003e\u003cspan\u003ecool blue\/violet appearance to a warmer purple tone\u003c\/span\u003e\u003cspan\u003e, with the AIG report specifically noting that the color change can be seen under incandescent light.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eImportant Clarity Disclosure\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. High-magnification macro photography reveals several internal inclusions and characteristics within the stone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese inclusions are not readily visible to the naked eye during normal viewing and are substantially more apparent in the enlarged macro photographs.\u003c\/span\u003e\u003cspan\u003e They have intentionally been left visible in the listing photographs rather than digitally removed or concealed so buyers can examine the stone transparently.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe inclusions give the gemstone its individual natural character while allowing the blue-to-purple color-change phenomenon to remain the centerpiece.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e$1,500\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA distinctive opportunity for someone seeking a nearly \u003c\/span\u003e\u003cspan\u003e2-carat natural Tanzanian color-change spinel\u003c\/span\u003e\u003cspan\u003e rather than a conventional blue or purple gemstone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for a custom ring or pendant, or simply kept loose as an unusual collector specimen.\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":52435026608424,"sku":null,"price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/4059\/6008\/files\/008EA84E-601D-4CE6-845C-C7FEB75BB50A.png?v=1789810134","url":"https:\/\/shop.roguevalleygemexchange.com\/products\/1-96-carat-natural-color-change-spinel-tanzania","provider":"Rogue Valley Gem Exchange ","version":"1.0","type":"link"}