THE PREMIER MARKETPLACE FOR REAL GEMS
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      $510.00 USD
      預計建議零售價:rrp

      51.40 cts ALEXANDRITE COLOUR CHANGE ROUGH TBM-97TRUEBLUEMINERALS

      2746
      9

      存貨單位
      TBM-97
      尺寸(毫米)
      28.400 x 17.200 x 14.300mm
      重量 (cts)
      51.400
      Treatment
      No Treatment
      Clarity
      N/A
      類型
      Rough
      顏色

      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.

      運輸商 運送至:國家 運送到世界其他地區
      Standard Shipping - Tracked $20.00 / :幾天天 $30.00 / :幾天天
      :國家
      Standard Shipping - Tracked訂單折扣為$25.00 2或更多商品
      世界其他地區
      Standard Shipping - Tracked訂單折扣為$30.00 2或更多商品
      FedEx $40.00 / :幾天天 $40.00 / :幾天天
      :國家
      FedEx訂單折扣為$40.00 2或更多商品
      世界其他地區
      FedEx訂單折扣為$40.00 2或更多商品
      DHL $30.00 / :幾天天 $30.00 / :幾天天
      世界其他地區
      DHL訂單折扣為$30.00 2或更多商品

      trueblueminerals
      trueblueminerals
      rare large gemstones and minerals
      :城市,國家
      已驗證
      :總反饋

      • peketrain
        peketrain
        積極的

        Very pleased with the specimen and transaction

      • scsamler
        scsamler
        積極的

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

      • gmiller69
        gmiller69
        積極的

        Paid and shipped - no feedback left after 100 days

      20%
      優惠券代碼 NEW YEAR
      有效期至
      31st Jan 2025

      審計

      Gemstone Sheriff計畫允許我們的會員要求對任何產品進行審核,該審核由獨立的Gemologist人員完成,該資格人員評估商品描述和圖片的準確性。

      送貨細節

      船運:
      $30.00 14透過Standard Shipping - Tracked計算天數
      發貨自:
      Australia

      付款方式

      • stripe

      概述

      列表類型 : Standard
      產品編號 : 1952349
      開始 : 29th January 2025 02:37 pm PST
      * 所有價格均以:貨幣為單位

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