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14.55 Ct Incredible Natural Grandidierite Gemstone - SKU- 3

存貨單位
尺寸(毫米)
17.410 x 16.000 x 8.190mm
重量 (cts)
14.550
顏色

Grandidierite was first discovered in 1902 in Madagascar by Alfred Lacroix, a French mineralogist. Lacroix named the mineral in honor of French explorer and naturalist Alfred Grandidier (1836–1912), the first authority on the natural history of Madagascar.

Since its initial discovery, samples of Grandidierite have been found in only a few locations around the world, including Malawi, Namibia and Sri Lanka. But the few gem quality specimens have come mainly from Madagascar.

Gem-quality Grandidierite is extremely rare, and it often appears on the list of the 10 rarest varieties in the world, along with gems like jeremejevite, painite, benitoite and taafeite.

Gemologically, Grandidierite is a magnesium aluminum borosilicate. It has a hardness of 7 to 7.5 on the Mohs scale, similar to garnet; a density of 2.85 to 3.00, in the approximate range of tourmaline; and a refractive index of 1.590-1.623.

Name: GRANDIDIERITE GEMSTONE

Place of Origin: MADAGASCAR

TREATMENT: NATURAL


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bahoominerali
bahoominerali
We deal in precious and semi precious gemstone.Our aims is to create a positive relationship with our customers by offering great quality product at reasonable prices.Our vertical integrated supply and retail business structure removes the multiples intermediaries traditionally present in the gems industry, allowing us to provide unmatched value to our customers. Our gemstones are beautiful with great characteristics. YOU ARE WELCOME TO BID ON OUR ITEMS WITH CONFIDENCE THAT YOU WILL GET THE BEST!!.
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船運:
$15.00 :通過 Standard Shipping - Tracked 計算天數
發貨自:
Thailand

付款方式

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概述

列表類型 : Standard
產品編號 : 1653654
開始 : 21st November 2024 01:51 am PST
* 所有價格均以:貨幣為單位