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      You have not bid on this auction.

      $76.00
      Current Bid
      1
      Bids
      Closed
      30/08/2023 08:30 pm

      4.45 Ct Incredible Natural Grandidierite Gemstone SKU A21

      1
      1825
      9

      SKU
      Dimensions (mm)
      13.950 x 10.240 x 5.130mm
      Weight (cts)
      4.450
      Treatment
      No Treatment
      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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      Standard Shipping - Tracked $10.00 / 15 days $13.00 / 21 days
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      Standard Shipping - Tracked is discounted to $15.00 on orders with 3 or more items
      Rest of the world
      Standard Shipping - Tracked is discounted to $25.00 on orders with 2 or more items
      DHL $35.00 / 10 days $35.00 / 10 days
      Thailand
      DHL is discounted to $30.00 on orders with 2 or more items
      Rest of the world
      DHL is discounted to $30.00 on orders with 2 or more items

      Bids History (1)
      jaymac
      1 year ago
      $75.00

      Audit

      The Gemstone Sheriff program allows our members to request an audit on any product, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

      Shipping Details

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

      Payment Options

      • paypal
      • stripe

      Overview

      Listing Type : Standard
      Product ID : 1061731
      Estimated RRP : $400.00
      Starting Bid : $200
      Starts : 19th August 2023 01:36 am PDT
      Ends : 30th August 2023 08:30 pm PDT
      * All prices are in USD