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      $340.00 USD
      Estimated RRP $900.00
      Closed
      13/12/2022 03:13 pm

      ALEXANDRITE ROUGH COLOURCHANGE 17.15 CTS TBM-588-trueblueminerals

      5807
      1

      SKU
      Dimensions (mm)
      18.000 x 11.000 x 5.000mm
      Weight (cts)
      17.150
      Treatment
      No Treatment
      Type
      Rough
      Colours

      ALEXANDERITE PARCEL (2 PCS)

      BI-COLOUR

      TANZANIA-MANGHOLA DUMAWANGA DISTRICT ARUSHA REGION

      NICE GREEN CHANGES TO PURPLE

      IDEAL FOR CABBING

      TREATMENT-NONE

      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.

      Shipping provider Shipping to Australia Shipping to rest of world
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      Australia
      Standard Shipping - Tracked is discounted to $25.00 on orders with 2 or more items
      Rest of the world
      Standard Shipping - Tracked is discounted to $30.00 on orders with 2 or more items
      FedEx $40.00 / 3 days $40.00 / 7 days
      Australia
      FedEx is discounted to $40.00 on orders with 2 or more items
      Rest of the world
      FedEx is discounted to $40.00 on orders with 2 or more items
      DHL $30.00 / 2 days $30.00 / 21 days
      Rest of the world
      DHL is discounted to $30.00 on orders with 2 or more items

      trueblueminerals
      trueblueminerals
      rare large gemstones and minerals
      Mermaid Beach, Australia
      Verified
      814 Feedback

      • peketrain
        peketrain
        Positive

        Very pleased with the specimen and transaction

      • scsamler
        scsamler
        Positive

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

      • gmiller69
        gmiller69
        Positive

        Paid and shipped - no feedback left after 100 days

      20%
      Coupon code love
      Valid Until
      28th Feb 2025

      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:
      $30.00 14 days via Standard Shipping - Tracked
      Ships from:
      Australia

      Payment Options

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      Overview

      Listing Type : Standard
      Product ID : 1529216
      Starts : 8th December 2022 08:14 am PST
      * All prices are in USD