Tanzanite Ring / new- 0.94 g - (1)

Ring Tanzanite / new Setting in 925 sterling silver Weight: 4.7 ct / 0.94 g 5.0 mm x 5.0 mm New and unworn Ring size: EU 54 - 55 (sits exactly between) UK N - O US 7.0 FR 14 - 15 Inner diameter: 17.35 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. The cleavage surfaces, by contrast, tend to have a pearly sheen. Shipping as insured registered mail

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