全部拍賣 / Ethnographic / Tanzanite Ring / Cabochon / new- 2.26 g - (1)
Ring Tanzanite / Cabochon / new Set in 925 sterling silver Weight: 2.26 g 10.2 mm x 6.5 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. It is used exclusively as a gemstone, like the pink variety thulite. Like zoisite, tanzanite crystallizes in the orthorhombic crystal system and usually develops transparent, prismatic to acicular (columnar) crystals that can reach several centimeters in length and exhibit a glassy shine on their surfaces. The cleavage planes tend to have a more pearly luster. Shipping as insured registered mail
估價:$169.9
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估價:
$169.9
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