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      $199.00 USD
      Procijenjeni RRP $400.00

      Incredible Color 3.70 Ct Quality Natural Grandidierite Gemstone SKU A7

      2596
      8

      SKU
      Dimenzije (mm)
      12.150 x 7.850 x 5.750mm
      Težina (cts)
      3.700
      Treatment
      No Treatment
      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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      mineralscollection
      mineralscollection
      Bangrak , Thailand
      Provjereno
      5700 povratne informacije

      Revizija

      Program Gemstone Sheriff omogućuje našim članovima da zatraže reviziju bilo kojeg proizvoda, koju dovršava neovisna Gemologist koja procjenjuje točnost opisa artikla i slika.

      Detalji dostave

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

      Načini plačanja

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      Pregled

      Vrsta unosa : Standard
      Identifikacijski broj proizvoda : 1017835
      Počinje : 14th February 2025 02:12 am PST
      * Sve cijene su u USD