Tanzanite Ring / raw / new- 3.12 g - (1)

Ring Tanzanite / raw / new Set in 925 sterling silver / 18-karat gold plated Weight: 3.12 g 11.8 mm x 9.6 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. As zoisite crystallizes, tanzanite forms in the orthorhombic crystal system and typically develops transparent, prism-like to columnar crystals that can reach several centimeters in length and exhibit a glassy sheen on their surfaces. The cleavage planes, by contrast, are more nacreous. Shipping as insured registered mail.

Estimación:€17

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