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      33524bc6-d682-4563-abdb-c25ad8db706e.jpg
      c89e1ed6-b533-444c-abb7-b4ef0ecaca6a.jpg
      $99.00 USD
      Prix

      Grandidierite, 8.95ct, huge one in fine colour and great cut!

      1037
      6

      UGS
      Mc11
      Dimensions (mm)
      15.000 x 13.500 x 7.000mm
      Poids (cts)
      8.950
      Treatment
      No Treatment
      Clarity
      SI
      Taper
      Faceted
      Shape
      Fancy, Oval, Cushion
      Couleurs

      Grandidierite is a mineral that was first discovered in 1902 in southern Madagascar. The mineral was named in honor of French explorer Alfred Grandidier (1836–1912) who studied the natural history of Madagascar.

      A rather rare mineral, blue-green grandidierite is seldom seen in gem or jewelry collections. Translucent material is sometimes cut into cabochons. Faceted pieces are rare. As cabochons, translucent grandidierite can range from 1 to 10 carats and up to about one inch in size. Most material is generally opaque.[citation needed]

      Since its discovery in 1902, most grandidierite used as a gem has been translucent. Recent discoveries of transparent material in Sri Lanka (around 2000) and a new deposit in Madagascar (2014) have resulted in faceted gemstones.

      Grandidierites appear bluer in color the more iron (Fe) they contain. A recently discovered gemstone, blue ominelite is the Fe-analogue (Fe, Mg) to grandidierite (Mg, Fe).

      Grandidierites display strong trichroic pleochroism. That means they can show three different colors depending on the viewing angle: dark blue-green, colorless (sometimes a very light yellow), or dark green.

      While trichroism can usually help distinguish grandidierites from other gems, lazulites can occur with blue-green colors and show colorless/blue/dark blue pleochroism. They also appear cabbed and, more rarely, faceted. Nevertheless, lazulites have somewhat higher refractive indices and specific gravity. Grandidierites also have greater hardness.


      Shipping: For special requests such as express delivery please contact me. For lost stones the seller is not liable, therefore an additional insurance is recommended. Right of return within two weeks after receiving the shipment. Payment via PayPal, Credit Card, or Bank transfer is possible. For the shipping I generally use: Austrian Post or FedEx. Unfortunately from Austria only DHL "express" is possible.


      Please pay your stones in between 48 hours or contact me. Otherwise I need to cancel the deal.

      If there is anything you shouldn't be satisfied with please just let me now and we will find a way to solve every problem. My aim is to make you happy with beautiful stones of good quality, good communication is the easiest way to find a solution!



      Fournisseur d'expédition Expédition vers Austria Expédition dans le reste du monde
      Standard Shipping - Tracked $12.00 / 3 $16.00 / 21
      Austria
      Standard Shipping - Tracked bénéficie d'une remise de $15.00 sur les commandes contenant 3 ou plus d'articles
      Reste du monde
      Standard Shipping - Tracked bénéficie d'une remise de $17.00 sur les commandes contenant 3 ou plus d'articles
      FedEx $27.00 / 2 $46.00 / 5
      Austria
      FedEx bénéficie d'une remise de $26.00 sur les commandes contenant 2 ou plus d'articles
      Reste du monde
      FedEx bénéficie d'une remise de $45.00 sur les commandes contenant 2 ou plus d'articles
      Express Shipping $36.00 / 2 $75.00 / 5
      Austria
      Express Shipping bénéficie d'une remise de $40.00 sur les commandes contenant 3 ou plus d'articles
      Reste du monde
      Express Shipping bénéficie d'une remise de $65.00 sur les commandes contenant 3 ou plus d'articles
      Registered Shipping $9.00 / 7 $16.00 / 21
      Austria
      Registered Shipping bénéficie d'une remise de $15.00 sur les commandes contenant 3 ou plus d'articles
      Reste du monde
      Registered Shipping bénéficie d'une remise de $15.00 sur les commandes contenant 3 ou plus d'articles
      Standard Shipping - Untracked $5.00 / 3 $13.00 / 28
      Austria
      Standard Shipping - Untracked bénéficie d'une remise de $15.00 sur les commandes contenant 3 ou plus d'articles
      Reste du monde
      Standard Shipping - Untracked bénéficie d'une remise de $13.00 sur les commandes contenant 3 ou plus d'articles

      stonehengejpd
      stonehengejpd
      Selling all kind of gems, great quality at affordable prices, based in the heart of Europe! In case you may have special wishes just let me know :-) If you shouldn´t be satisfied with an order please do not give a negative feedback just let me know and there is always a way to find a solution that everybody is happy!
      Graz , Austria
      Vérifié
      2899

      • golda1
        golda1
        Positif

        Great Seller, AAAAAAAAAAAAAAAAAAA+++++++++++++

      • marisha
        marisha
        Positif

        Beautiful stone! Excellent seller, will buy from here again.

      • graphicequaliser
        graphicequaliser
        Positif

        An exquisite gem and very clean. It arrived promptly too. Thank you.

      Audit

      Le programme Gemstone Sheriff permet à nos membres de demander un audit sur tout produit, qui est complété par un Gemologist indépendant qui évalue l'exactitude de la description de l'article et des photos.

      Les détails d'expédition

      Expédition:
      $16.00 21 les jours via Standard Shipping - Tracked
      Expédié depuis:
      Austria

      Options de paiement

      • paypal
      • stripe
      • escrow
      Ce vendeur ajoute 20.00% aux transactions en Austria .

      Aperçu

      Type d'inscription : Standard
      Identifiant du produit : 2401307
      Départs : 12th February 2025 02:28 pm PST
      * Tous les prix sont en USD