19.80 ct natural top quality lovely tourmaline from aghanistan

Item Information

Dimensions (mm) 31 x 11 x 6mm
Weight (carats) 19.8 carats

THE GEMSTONE TOURMALINE

Tourmaline is the most colorful of all gemstones. It occurs in all colors, but pink, red, green, blue and multicolored are its most well-known gem colors. Scientifically, tourmaline is not a single mineral, but a group of minerals related in their physical and chemical properties. The mineralElbaite is the member of the Tourmaline group that is responsible for almost all the gem varieties. Three other members of the group - Schorl, Dravite and Liddicoatite, are seldom used as gemstones.

Mineral ClassTourmaline
ColorSame as picture
Hardness7 - 7.5
ClearityVvs
Refractive Index1.616 - 1.650
TransparencyTransparent to opaque
LusterVitreous
TreatmentNone (natural)
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$1,500 interpul
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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 589055
Watchers 25 watching
Viewed 1,895 times
Starts 11th Dec 2018 1:50am PST
Ends 14th Dec 2018 1:47am PST

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