Tanzanite Ring / raw / new- 2.92 g - (1)

Tanzanite Ring / rough / new Set in 925 sterling silver / 18-karat gold plated Weight: 2.92 g 11.6 mm x 9.9 mm New and unworn Ring size: U 57 UK P 1/2 US 8.0 Fr 17 Inner diameter: 18.1 mm Tanzanite is a blue to violet variety of the mineral zoisite. Like the pink variety thulite, it is used exclusively as a gemstone. Like zoisite, tanzanite crystallizes in the orthorhombic crystal system and typically forms transparent, prismatic to columnar crystals that can reach lengths of several centimeters and exhibit a glassy luster on their surfaces. Cleavage surfaces, by contrast, tend to shimmer pearly. Shipping as insured registered mail

估價:$13.45

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