THE PREMIER MARKETPLACE FOR REAL GEMS
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      $125.00 USD
      预计建议零售价:rrp

      18.20 CTS DIOPTASE SPECIMEN-EMERALD GREEN

      993
      4

      存货单位
      TS9656
      尺寸(毫米)
      22.000 x 16.000 x 9.000mm
      重量 (cts)
      18.200
      类型
      Specimen
      颜色

      SEDA GEMS

      RARE DIOPTASE

      This is a natural untreated specimen of Dioptase on its natural matrix from Kazakhstan

      Great specimen.

      Weight cts app

      Size 3 mm app

      Dioptase is an intense emerald-green to bluish-green copper cyclosilicate mineral. It is transparent to translucent. Its luster is vitreous to sub-adamantine.

      Late in the 18th century, copper miners at the Altyn-Tyube (Altyn-Tube) mine, in Karagandy Province, Kazakhstan thought they found an emerald deposit of their dreams. They found fantastic cavities in quartz veins in a limestone, filled with thousands of lustrous emerald-green transparent crystals. The crystals were dispatched to Moscow, Russia for analysis as they thought they were Emeralds.

      Dioptase is a very rare mineral found mostly in desert regions where it forms as a secondary mineral in the oxidized zone of copper sulfide mineral deposits. However, the process of its formation is not simple, the oxidation of copper sulfides should be insufficient to crystallize dioptase as silica is normally minutely soluble in water except at highly alkalinepH. The oxidation of sulfides will generate highly acidic fluids rich in sulfuric acid that should suppress silica solubility. However, in dry climates and with enough time, especially in areas of a mineral deposit where acids are buffered by carbonate, minute quantities of silica may react with dissolved copper forming

      运输商 运送至:国家 运送到世界其他地区
      FedEx $12.00 / :几天天 $39.00 / :几天天
      :国家
      FedEx折扣至$12.00 ,适用于包含2或更多商品的订单
      世界其他地区
      FedEx折扣至$39.00 ,适用于包含2或更多商品的订单
      Registered Shipping $9.00 / :几天天 $16.00 / :几天天
      :国家
      Registered Shipping折扣至$9.00 ,适用于包含2或更多商品的订单
      世界其他地区
      Registered Shipping折扣至$16.00 ,适用于包含2或更多商品的订单

      sedagems
      sedagems
      Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
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      已验证
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      • dmcjr1875
        dmcjr1875
        积极的

        I'm expecting an experience of good reasoning.

      • ksrocks
        ksrocks
        积极的

        Thank you lovely specimen

      • mattosh82
        mattosh82
        积极的

        Received!!!! So awesome! Thank you so much! Will definitely be visiting your store again soon.

      • mattosh82
        mattosh82
        积极的

        Just received! Thank you so much!

      • tfgaus2025
        tfgaus2025
        积极的

        Received parcel of sapphires as described and very pleased to own them.

      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:
      $16.00 21通过Registered Shipping计数天数
      发货自:
      Australia

      付款方式

      • paypal
      • stripe
      该卖家在Australia交易中添加了10.00%税。

      概述

      列表类型 : Standard
      产品编号 : 2399643
      开始 : 21st January 2025 08:16 pm PST
      * 所有价格均以:货币为单位