{"product_id":"tanzanite-h-cu-4-2mm-0-31cts-single","title":"Natural Earth Mined Tanzanite Cushion 4.2mm 0.31cts – Heat Treated Loose Gemstone for a Bespoke Setting - One Stone","description":"\u003cp\u003eA 0.31 carat tanzanite cut as a cushion, 4.2 mm. Tanzanite is found in one place on earth — the Merelani Hills of northern Tanzania — and nowhere else, which makes its supply finite in a way almost no other gem's is. At 6 to 6.5 on the Mohs scale it is best suited to a pendant, earrings, or a ring that is not worn every day.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\"Rarer than it is famous.\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e*Heat treatment is used at low temperatures to produce the strong and vibrant colors of purple and blue shown in Tanzanite.\u003cbr\u003e*Care: You can clean it with warm soapy water (dish soap like Dawn is perfect) and a toothbrush! Most gems should be cleaned this way because ultrasonic cleaners can damage them.\u003c\/p\u003e","brand":"NNJ Designs","offers":[{"title":"Default Title","offer_id":46481727848646,"sku":"15177","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0601\/6071\/files\/8-21-2026-TanzaniteListingPhotos-104.jpg?v=1790970230","url":"https:\/\/nnjdesigns.com\/products\/tanzanite-h-cu-4-2mm-0-31cts-single","provider":"NNJ Designs","version":"1.0","type":"link"}