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      $44.00 USD
      Geschatte adviesprijs $165.00

      28.00 CTS DIOPTASE SPECIMEN-EMERALD GREEN

      790
      0

      SKU
      TS9661
      Afmetingen (mm)
      23.000 x 14.000 x 12.000mm
      Gewicht (cts)
      28.000
      Type
      Specimen
      Kleuren

      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

      Verzend provider Verzending naar Australia Verzending naar de rest van de wereld
      FedEx $12.00 / 3 $39.00 / 10
      Australia
      FedEx krijgt korting op $12.00 bij bestellingen met 2 of meer artikelen
      Rest van de wereld
      FedEx krijgt korting op $39.00 bij bestellingen met 2 of meer artikelen
      Registered Shipping $9.00 / 7 $16.00 / 21
      Australia
      Registered Shipping krijgt korting op $9.00 bij bestellingen met 2 of meer artikelen
      Rest van de wereld
      Registered Shipping krijgt korting op $16.00 bij bestellingen met 2 of meer artikelen

      28.00 CTS DIOPTASE SPECIMEN-EMERALD GREEN
      Qld, Australia
      Eigendom van sedagems

      • spreadingadder
        spreadingadder
        Positief

        Got here fast! Beautiful blue color! Awesome folks to deal with. Thank you Seda gems!

      • spreadingadder
        spreadingadder
        Positief

        Fast shipping! Happy with these bright stones! Always great doing business with Seda Gems and Seda Opals!

      • rickferreira626
        rickferreira626
        Positief

        A gorgeous pair blue topaz stones. This is one happy customer.

      • e155293
        e155293
        Positief

        Thank you beautiful stone

      • opalgoat
        opalgoat
        Positief

        Well packaged, beautiful gems

      5%
      Coupon code SEDADEALS
      Geldig tot
      4th Apr 2025

      Audit

      Met het Gemstone Sheriff -programma kunnen onze leden een audit voor elk product aanvragen. Deze audit wordt uitgevoerd door een onafhankelijke Gemologist die de nauwkeurigheid van de artikelbeschrijving en afbeeldingen beoordeelt.

      Verzendgegevens

      Verzenden:
      $16.00 21 dagen via Registered Shipping
      Schepen van:
      Australia

      Betalingsmogelijkheden

      • paypal
      • stripe
      Deze verkoper voegt 10.00% belasting toe aan transacties in Australia .

      Overzicht

      Vermeldingstype : Standard
      Product-ID : 2399648
      Begint : 4th March 2025 08:26 pm PST
      * Alle prijzen zijn in USD