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$5,023.00
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出价
02/01/2025 05:15 am

Natural Tanzanite 20.50 Ct D block Top Quality ~ Gorgeous

5
4366
31

存货单位
尺寸(毫米)
16.500 x 15.450 x 9.450mm
重量 (cts)
20.500
Treatment
No Treatment
类型
Faceted
颜色

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: Oval cut

Place of Origin: Tanzania

Treatment: Heated





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mineralscollection
mineralscollection
:城市,国家
已验证
:总反馈

  • graphicequaliser
    graphicequaliser
    积极的

    Even lovelier in real life. A real beauty. Thanks.

  • ir888
    ir888
    积极的

    Despite the beveled pavilion, the stone shines due to its excellent cut.

  • ir888
    ir888
    积极的

    The Gem is quite pale, but beautiful.

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概述

列表类型 : Standard
产品编号 : 1210048
预计建议零售价 : $15,000.00
起拍价 : $1
开始 : 19th December 2024 05:15 am PST
结束 : 2nd January 2025 05:15 am PST
* 所有价格均以:货币为单位