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Incredible Color 8.30 Ct Incredible Natural Grandidierite Gemstone

SKU
Dimenzije (mm)
16.800 x 11.000 x 6.680mm
Težina (cts)
8.300
Tip
Faceted
Boje

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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  • gemhunter94
    gemhunter94
    Pozitivan

    Beautiful stone and beautiful cut, definitely will buy from again. Shipping took 1 week international to Australia really happy with that time frame

  • oiler
    oiler
    Pozitivan

    Thank you for the opportunity to buy great gemstones

  • samuelnhenson
    samuelnhenson
    Pozitivan

    Beautiful stone, as expected, would buy again

  • samuelnhenson
    samuelnhenson
    Pozitivan

    Beautiful stone, a little more white in person, but I'll forgive that

Revizija

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Detalji dostave

dostava:
$13.00 21 days putem Standard Shipping - Tracked
Brodovi iz:
Thailand

Načini plačanja

  • paypal
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Pregled

Vrsta unosa : Standard
Identifikacijski broj proizvoda : 2122890
Počinje : 13th November 2024 01:29 am PST
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