{"product_id":"anillo-de-diamante-negro-y-espinela-negra-311","title":"Black Diamond and Black Spinel Ring","description":"\u003cp\u003e Size 18 ring made of rhodium-plated 925 silver with a spectacular 5mm diameter black diamond specimen set with prongs on a delicate structure, in which small 2mm spinels were set by burin, both on the top and on both sides of the ring band.\u003c\/p\u003e\n\n\u003ch2\u003e Black Diamond:\u003c\/h2\u003e \u003cp\u003eBlack diamond, also known as carbonado, is the hardest natural variety of diamond, a polycrystalline agglomerate of amorphous carbon, graphite, and diamond crystals. Black diamonds reach a maximum of 10 on the Mohs scale and cannot be altered by anything except other diamonds. They are opaque, porous, and produce no light refraction or brilliance.\u003c\/p\u003e\n\u003cp\u003e Natural black diamonds are generally opaque but have metallic reflections, although different qualities exist. Natural black diamonds are also typically difficult to polish and cut.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003ch2\u003e Black Spinel:\u003c\/h2\u003e\n\u003cp\u003e Spinel is a double oxide of aluminum and magnesium with a very complex structure. Spinel was not recognized as an independent mineral until 150 years ago; before then, it was classified as a ruby.\u003c\/p\u003e\n\u003cp\u003e Origin: Thailand.\u003c\/p\u003e\n\u003cp\u003e Properties: It provides encouragement, confidence and offers the possibility of enjoying life with optimism.\u003c\/p\u003e\n\u003cp\u003e Zodiac sign: Aries, Taurus, Gemini\u003c\/p\u003e","brand":"Rocas\u0026Cristales","offers":[{"title":"Default Title","offer_id":52535994712364,"sku":"A18DIAMNEGESPIN52","price":1866147.0,"currency_code":"ARS","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/9009\/0028\/files\/anillo-de-diamante-negro-y-espinela-negra-anillos-1086623.jpg?v=1775147353","url":"https:\/\/rocasycristales.com\/en-us\/products\/anillo-de-diamante-negro-y-espinela-negra-311","provider":"Rocas\u0026Cristales","version":"1.0","type":"link"}