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      $41.00
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      Fermé
      25/11/2023 11:36 am

      3.45 carats, Natural Kyanite.

      1
      3477
      1

      UGS
      Dimensions (mm)
      10.180 x 6.300 x 4.210mm
      Poids (cts)
      3.450
      Couleurs

      Kyanite is a gemstone quality aluminum silicate sometimes referred to as disthene, rhaeticite or cyanite. Its name is derived from the Greek word 'kuanos' or 'kyanos', which means 'deep blue', alluding to its typical blue color. However, in addition to blue, kyanite can also be colorless, white, gray, green, orange or yellow. With kyanite, color is typically not consistent throughout. In fact, most stones exhibit areas of light to dark color zones, along with white streaks or blotches. Kyanite is a polymorph of both andalusite and sillimanite. Polymorph gemstones share similar chemical compositions, but they exhibit different crystal structures. Kyanite forms as triclinic crystals, while andalusite and sillimanite are both orthorhombic.

      Kyanite's most distinctive trait is its strong anisotropic properties. Most gems are anisotropic to some extent, but kyanite is the most famous of anisotropic gemstones. Anisotropic gemstones exhibit varying properties, depending on their crystallographic direction. When kyanite is cut parallel to its long axis, its hardness can range from 4 to 4.5 on the Mohs scale, but when cut perpendicularly, its hardness can range from 6 to 7.

       


      Fournisseur d'expédition Expédition vers Thailand Expédition dans le reste du monde
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      FedEx $35.00 / 2 $35.00 / 10

      3.45 carats, Natural Kyanite.
      Bangkok, Thailand
      Propriété de crysta1gems

      • letitiaj
        letitiaj
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      • highrold911
        highrold911
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        highrold911
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        highrold911
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      • highrold911
        highrold911
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        Paid and shipped - no feedback left after 100 days

      • highrold911
        highrold911
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        Paid and shipped - no feedback left after 100 days

      Historique des enchères (1)
      letitiaj
      il y a 1 an
      $40.00

      Les détails d'expédition

      Expédition:
      $15.00 21 les jours via Standard Shipping - Tracked
      Expédié depuis:
      Thailand

      Options de paiement

      • paypal

      Aperçu

      Type d'inscription : Standard
      Identifiant du produit : 27253
      Enchère de départ : $40
      Départs : 12th November 2023 12:39 am AEST
      Prend fin : 25th November 2023 11:36 am AEST
      * Tous les prix sont en AUD