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$8.00
Current Bid
3
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Closed
12/02/2021 12:06 am

Incredible Color and Quality 2.75 Ct Incredible Natural Grandidierite Gems

SKU
Dimensions (mm)
10.800 x 7.800 x 4.900mm
Weight (cts)
2.750
Treatment
No Treatment
Type
Faceted
Colours

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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mineralscollection
mineralscollection
Bangrak, Thailand
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Bids History (3)
ougemman
Purchased from this seller previously
3 years ago
Automated Bid
$7.00
ddpollard1
Purchased from this seller previously
3 years ago
$6.00
ougemman
Purchased from this seller previously
3 years ago
$1.00

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Shipping Details

Shipping:
$13.00 21 days via Standard Shipping - Tracked
Ships from:
Thailand

Payment Options

  • paypal
  • stripe

Overview

Listing Type : Standard
Product ID : 1410696
Estimated RRP : $300.00
Starting Bid : $1
Starts : 9th February 2021 06:06 pm AEST
Ends : 12th February 2021 06:06 pm AEST
* All prices are in USD