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      $180.00 USD
      Procijenjeni RRP $360.00

      3.50 Ct Incredible Natural Grandidierite Gemstone SKU A12

      2756
      9

      SKU
      Dimenzije (mm)
      11.400 x 8.280 x 5.960mm
      Težina (cts)
      3.500
      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

      Ovaj proizvod je revidirao Gemstone Sheriff i otkrio sljedeće:
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      Comments

      The Verified Seller responsible for this item has diligently provided us with accurate and comprehensive information, encompassing crucial details such as weight, dimensions, and treatment. It is important to reiterate our commitment to upholding the highest standards of integrity and transparency in the gemstone industry. As part of our policy, we strictly permit the sale of exclusively natural gemstones that have been sourced directly from the Earth. However, in the event that a gemstone has undergone any form of treatment, it is mandatory for the seller to provide full disclosure regarding the treatment process. Furthermore, we would like to emphasize that man-made gemstones, including simulants and imitations, are strictly prohibited on our platform. We prioritize the promotion of authentic, natural gemstones to ensure a genuine and trustworthy marketplace for our valued customers. Should you have any further inquiries or require additional assistance, please do not hesitate to reach out. We are here to assist you and provide a seamless experience on Gem Rock Auctions.

      Ova revizija je zatražena prije 10 mjeseci
      Zadnje ažuriranje prije 10 mjeseci

      Detalji dostave

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

      Načini plačanja

      • paypal
      • stripe

      Pregled

      Vrsta unosa : Standard
      Identifikacijski broj proizvoda : 993306
      Počinje : 14th February 2025 04:03 am PST
      * Sve cijene su u USD