7.1 ct Tanzanite Loupe Clean with Fine Cutting Gemstone

Item Information

Dimensions (mm) 12.27 x 11.61 x 7.92mm
Weight (carats) 7.1 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

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 1384878
Watchers 13 watching
Viewed 384 times
Starts 3rd Mar 2021 4:25am PST
Ends 4th Mar 2021 4:22am PST

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