Tanzanite Rough Prong 925 Silver Ring crystal grid one of the few natural

one of the few natural materials containing fullerene carbon molecules Hardness (Mohs) Approx

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"text": "It is a hand-carved crescent moon shape cut from natural white selenite

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Tanzanite Rough Prong 925 Silver Ring crystal grid one of the few naturalTanzanite is a blue violet variety of the mineral zoisite traditionally associated with transformation and calm insight. This ring sets a raw, natural piece of tanzanite in a prong setting on an adjustable . 925 sterling silver band, showing off the stone's rare, uncut blue violet color and natural texture. Quick facts Stone Tanzanite (zoisite) Composition Calcium aluminum silicate (zoisite) Hardness (Mohs) 67 Color Blue violet Origin Found only near