31.30 Ct Dazzling Color Natural Tanzanite ~ AAA Color

Item Information

Dimensions (mm) 22.1 x 17.15 x 12.24mm
Weight (carats) 31.3 carats

Tanzanite is the blue to violet gem variety of the mineral Zoisite. Since its relatively recent discovery in 1967, it has become a mainstream and popular gemstone, and is used extensively in jewelry. To date, Tanzanite is found only in the Arusha region of the African country of Tanzania, and it was named after its country of origin. 

Tanzanite gemstones are always Heat treated. Natural Tanzanites have a more dull gray, greenish, or brownish color, and heating to above 800 degrees Fahrenheit (about 430 Celsius) will produce the deep blue to violet color. The main appeal of Tanzanite is its lovely color. Its color ranges from pure blue to purplish-blue. It is highly pleochroic, and will display different color saturation when viewed at different angles.

Item specifics

Name: Tanzanite

Item Shape: Fancy cut

Place of Origin: Tanzania

Color: Deep Violet Blue

Clarity: I

Treatment: HEATED

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 794590
Watchers 12 watching
Viewed 429 times
Starts 12th Feb 2019 2:20am PST
Ends 20th Feb 2019 2:18am PST

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