{"product_id":"unheated-tanzanite-crystal-specimen-from-merelani-tanzania-10-02-carats","title":"Unheated Tanzanite Crystal Specimen from Merelani, Tanzania – 10.02 carats","description":"\u003cdiv class=\"rte\"\u003e\n\u003cp data-start=\"83\" data-end=\"388\"\u003eA rare and highly collectible unheated tanzanite crystal showcasing natural pleochroic coloration in soft violet and subtle golden-brown tones. This well-formed crystal displays a classic elongated prism habit with a naturally terminated top and excellent vertical striations along the prism faces.\u003c\/p\u003e\n\u003cp data-start=\"390\" data-end=\"834\"\u003eUnlike heated material, this crystal retains its original trichroic character, revealing multiple color directions depending on viewing angle through a dicrhoscope or polarized light source—an exceptional feature prized by collectors. The upper portion shows greater clarity and transparency, while the lower section contains natural inclusions and growth features that document its formation. A beautiful and authentic example of natural, unheated tanzanite directly from the Merelani Hills.\u003c\/p\u003e\n\u003cp data-start=\"836\" data-end=\"1025\"\u003e\u003cstrong data-start=\"836\" data-end=\"849\"\u003eLocation:\u003c\/strong\u003e Merelani Hills, Tanzania\u003cbr data-start=\"874\" data-end=\"877\"\u003e\u003cstrong data-start=\"877\" data-end=\"888\"\u003eWeight:\u003c\/strong\u003e 10.02 carats\u003cbr data-start=\"901\" data-end=\"904\"\u003e\u003cstrong data-start=\"904\" data-end=\"921\"\u003eMeasurements:\u003c\/strong\u003e 19mm x 8mm x 5mm\u003cbr data-start=\"938\" data-end=\"941\"\u003e\u003cstrong data-start=\"941\" data-end=\"960\"\u003eCrystal System:\u003c\/strong\u003e Orthorhombic\u003cbr data-start=\"973\" data-end=\"976\"\u003e\u003cstrong data-start=\"976\" data-end=\"994\"\u003eMineral Class:\u003c\/strong\u003e Sorosilicate (Zoisite Group)\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Tanzanite Jewelry Designs","offers":[{"title":"Default Title","offer_id":52138331537721,"sku":"6cry 2882","price":1819.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/5748\/6707\/files\/unheated-tanzanite-crystal-merelani-10-02ct.jpg?v=1776186301","url":"https:\/\/www.mineralmike.com\/products\/unheated-tanzanite-crystal-specimen-from-merelani-tanzania-10-02-carats","provider":"Mineral Mike","version":"1.0","type":"link"}