THE PREMIER MARKETPLACE FOR REAL GEMS
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      $510.00 USD
      Prix ​​de vente conseillé estimé $2,200.00

      51.40 cts ALEXANDRITE COLOUR CHANGE ROUGH TBM-97TRUEBLUEMINERALS

      2748
      9

      UGS
      TBM-97
      Dimensions (mm)
      28.400 x 17.200 x 14.300mm
      Poids (cts)
      51.400
      Treatment
      No Treatment
      Clarity
      N/A
      Taper
      Rough
      Couleurs

      ALEXANDERITE BI-COLOUR TANZANIA-MANGHOLA DUMAWANGA DISTRICT ARUSHA REGION NICE GREEN CHANGES TO PURPLE IDEAL FOR CABBING TREATMENT-NONE 0 This rare gemstone is named after the Russian tsar Alexander II (1818-1881), the very first crystals having been discovered in April 1834 in the emerald mines near the River in the Urals. The discovery was made on the day the future tsar came of age. Although alexandrite is a relatively young gemstone, it certainly has a noble history. Since it shows both red and green, the principal colours of old Imperial Russia, it inevitably became the national stone of tsarist Russia. Alexandrite is very scarce: this is due to its chemical composition. It is basically a chrysoberyl, a mineral consisting of colourless or yellow transparent chrysoberyl, chrysoberyl cat’s eye and colour-changing alexandrite (also in cat’s eye varieties). It differs from other chrysoberyls in that it not only contains iron and titanium, but also chromium as a major impurity. And it is this very element which accounts for the spectacular colour change. Rarely, vanadium may also play a part. According to CIBJO nomenclature, only chrysoberyls displaying a distinct change of colour may be termed alexandrite.

      Fournisseur d'expédition Expédition vers Australia Expédition dans le reste du monde
      Standard Shipping - Tracked $20.00 / 7 $30.00 / 14
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      Standard Shipping - Tracked bénéficie d'une remise de $25.00 sur les commandes contenant 2 ou plus d'articles
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      FedEx $40.00 / 3 $40.00 / 7
      Australia
      FedEx bénéficie d'une remise de $40.00 sur les commandes contenant 2 ou plus d'articles
      Reste du monde
      FedEx bénéficie d'une remise de $40.00 sur les commandes contenant 2 ou plus d'articles
      DHL $30.00 / 2 $30.00 / 21
      Reste du monde
      DHL bénéficie d'une remise de $30.00 sur les commandes contenant 2 ou plus d'articles

      trueblueminerals
      trueblueminerals
      rare large gemstones and minerals
      Mermaid Beach , Australia
      Vérifié
      814

      • peketrain
        peketrain
        Positif

        Very pleased with the specimen and transaction

      • scsamler
        scsamler
        Positif

        This stone made me fall in love with Padparadsha sapphire. Truly wonderful!

      • gmiller69
        gmiller69
        Positif

        Paid and shipped - no feedback left after 100 days

      20%
      Code promo NEW YEAR
      Valable jusque
      31st Jan 2025

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      Les détails d'expédition

      Expédition:
      $30.00 14 les jours via Standard Shipping - Tracked
      Expédié depuis:
      Australia

      Options de paiement

      • stripe

      Aperçu

      Type d'inscription : Standard
      Identifiant du produit : 1952349
      Départs : 29th January 2025 02:37 pm PST
      * Tous les prix sont en USD

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