2 x Tanzanite stud earrings / new 925. Sterling silver - 0.74 g - (2)

2 x Tanzanite stud earrings / new Set in 925 sterling silver Total weight: 0.74 g / 3.7 ct 4.0 mm x 4.0 mm x 14.2 mm New and unworn 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, Tanzanite crystallizes in the orthorhombic crystal system and typically develops transparent, prismatic to columnar crystals that can reach several centimeters in length and exhibit a glassy luster on the surfaces. The cleavage surfaces, by contrast, are more pearly in sheen Shipping as insured registered mail

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