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      $500.00 USD
      Geschatte adviesprijs $1,500.00

      10 CTS ALEXANDRITE ROUGH PARCEL RG-4260 raregems

      1821
      2

      SKU
      RG-4260
      Afmetingen (mm)
      4.960 x 4.880 x 3.170mm
      Gewicht (cts)
      10.000
      Treatment
      No Treatment
      Type
      Rough
      Kleuren


      ALEXANDRITE ROUGH   colour change


      TANZANIA-MANGHOLA DUMAWANGA DISTRICT ARUSHA REGION


      NICE GREEN CHANGES TO PURPLE/RED

      IDEAL FOR CABBING 

      TREATMENT-NONE 

      TOTAL PARCEL WEIGHT: 10 CARATS APPROXIMATELY  

      TOTAL NUMBER OF PIECES:  20 

      LARGEST PIECE :  4.96 X  4.88 X  3.17 APPROXIMATELY 

      SMALLEST PIECE: 4.61 X 2.76 X 2.42 APPROXIMATELY



      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.


      TRADING AS TRUEBLUEOPALS / LIGHTNINGOPALS LLC

      Verzend provider Verzending naar Australia Verzending naar de rest van de wereld
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      raregems
      raregems, all rough
      Mermaid Beach , Australia
      Geverifieerd
      3624 feedback

      • solusinexistentia
        solusinexistentia
        Positief

        Great quality and price! Item arrived on time. Will purchase from seller again.

      • solusinexistentia
        solusinexistentia
        Positief

        Good experience with seller. Items arrived on time and as described for a good price.

      30%
      Coupon code 30
      Geldig tot
      1st Mar 2025

      Audit

      Dit product is gecontroleerd door een Gemstone Sheriff en zij hebben het volgende gevonden:
      • Beschrijving Nauwkeurig
      • Foto's Nauwkeurig

      Comments

      The Verified Seller has provided accurate and honest pictures and details for this listing. Gem Rock Auctions is committed to holding our sellers to the highest standards of integrity and transparency. As part of this policy, we only permit the sale of natural, earth mined, gemstones. Many Gemstones have received treatments to enhance their color or clarity to further emphasize their beauty and we insist treatments are disclosed. Manmade, synthetic, and imitation gemstones are not permitted on Gem Rock auctions.

      Deze audit is aangevraagd op 1 week geleden
      Laatst bijgewerkt 1 week geleden

      Verzendgegevens

      Verzenden:
      $30.00 14 dagen via Standard Shipping - Tracked
      Schepen van:
      Australia

      Betalingsmogelijkheden

      • stripe
      Deze verkoper voegt 0.00% belasting toe aan transacties in Australia .

      Overzicht

      Vermeldingstype : Standard
      Product-ID : 2028647
      Begint : 7th February 2025 07:06 pm PST
      * Alle prijzen zijn in USD