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      $600.00 USD
      预计建议零售价:rrp
      关闭
      16/02/2025 09:19 pm

      20.87 CTS ALEXANDRITE ROUGH PARCEL RG-5286-raregems

      3355
      12

      存货单位
      尺寸(毫米)
      11.000 x 7.000 x 6.000mm
      重量 (cts)
      20.870
      Treatment
      No Treatment
      颜色


      ALEXANDRITE ROUGH  PARCEL colour change
      TANZANIA-MANGHOLA DUMAWANGA DISTRICT ARUSHA REGION


      NICE GREEN CHANGES TO PURPLE/RED

      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.


      运输商 运送至:国家 运送到世界其他地区
      Standard Shipping - Tracked $19.00 / :几天天 $30.00 / :几天天
      :国家
      Standard Shipping - Tracked折扣至$19.00 ,适用于包含2或更多商品的订单
      世界其他地区
      Standard Shipping - Tracked折扣至$30.00 ,适用于包含2或更多商品的订单
      FedEx $39.00 / :几天天 $40.00 / :几天天
      :国家
      FedEx折扣至$39.00 ,适用于包含2或更多商品的订单
      世界其他地区
      FedEx折扣至$40.00 ,适用于包含2或更多商品的订单
      DHL $19.00 / :几天天 $30.00 / :几天天
      世界其他地区
      DHL折扣至$30.00 ,适用于包含2或更多商品的订单

      raregems
      raregems
      raregems, all rough
      :城市,国家
      已验证
      :总反馈

      • solusinexistentia
        solusinexistentia
        积极的

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

      • solusinexistentia
        solusinexistentia
        积极的

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

      30%
      优惠券代码 30
      有效期至
      1st Mar 2025

      审计

      Gemstone Sheriff计划允许我们的会员对任何产品申请审核,审核由独立的Gemologist人员完成,负责评估产品描述和图片的准确性。

      送货细节

      船运:
      $30.00 14通过Standard Shipping - Tracked计数天数
      发货自:
      Australia

      付款方式

      • stripe
      该卖家在Australia交易中添加了0.00%税。

      概述

      列表类型 : Standard
      产品编号 : 1486585
      开始 : 2nd February 2025 10:53 pm PST
      * 所有价格均以:货币为单位