24.30ct Royal Blue Tanzanite With Excellent Luster And Fine Cutting Gemsto

Item Information

Dimensions (mm) 17.06 x 17.57 x 11.84mm
Weight (carats) 24.3 carats
Certified Gemstone
Clarity (IF)


Tanzanite is the blue and violet variety of the mineral zoisite, caused by small amounts of vanadium. Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Tanzania, in a very small mining area near the Mererani Hills. Wikipedia
Color: Blue, Purple
Luster: Vitreous
Associated month: December
Crystal system: Orthorhombic crystal system
Chemical formula: Ca₂Al₃(SiO₄)₃(OH)
Hardness (Mohs hardness scale): 6 – 6.5
Mineral class: Zoisite

$16,000.00 USD

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Audit Information

This auction has been audited by a Gemstone Sheriff and they have found the following: View Report
Description Accurate
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Please include a copy of the certificate from an approved gemstone laboratory for this gemstone.

Last updated 5th Oct
Requested 5th Oct

Pricing & Details

Auction ID 1613711
Watchers 3 watching
Viewed 138 times
Starts 5th Oct 2021 3:42am PDT

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