GGL Certified 5.20 Ct Superb Quality Natural Tanzanite. ARA

Item Information

Dimensions (mm) 10.45 x 8.49 x 5.54mm
Weight (carats) 5.2 carats
Colors
Certified Gemstone

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: Octagonal cut

Place of Origin: Tanzania

Color: Violet Blue

Treatment: Heated

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Pricing & Details

Bid Increment $1
Starting Bid $780
Auction ID 882090
Watchers 8 watching
Viewed 714 times
Starts 24th May 2019 2:45am PDT
Ends 27th May 2019 8:35pm PDT

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Mineralscollection Details

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