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17.30 CTS DIOPTASE SPECIMEN-EMERALD GREEN

1024
1

SKU
TS9658
寸法(mm)
21.000 x 15.000 x 11.000mm
重さ (CT)
17.300
タイプ
Specimen

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

配送業者 配送先Australia その他の国への配送
FedEx $12.00 / 3 $39.00 / 10
:国
FedEx 、 2以上のアイテムを含む注文で$12.00に割引されます
世界のその他の地域
FedEx 、 2以上のアイテムを含む注文で$39.00に割引されます
Registered Shipping $9.00 / 7 $16.00 / 21
:国
Registered Shipping 、 2以上のアイテムを含む注文で$9.00に割引されます
世界のその他の地域
Registered Shipping 、 2以上のアイテムを含む注文で$16.00に割引されます

17.30 CTS DIOPTASE SPECIMEN-EMERALD GREEN
Qld, Australia
が所有している sedagems

  • stylesjc
    stylesjc
    ポジティブ

    As described and well shipped. I would buy from this seller again.

  • spreadingadder
    spreadingadder
    ポジティブ

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

  • spreadingadder
    spreadingadder
    ポジティブ

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

  • rickferreira626
    rickferreira626
    ポジティブ

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

5%
クーポンコード SEDADEALS
まで有効
4th Apr 2025

監査

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発送詳細

配送:
$16.00 21日 ( Registered Shipping経由)
発送元:
Australia

支払いオプション

  • paypal
  • stripe
この販売者は、 Australiaでの取引に10.00%税金を追加します。

概要

リストタイプ : Standard
製品番号 : 2399645
始まります : 6th March 2025 08:21 pm PST
* すべての価格はUSDで表記されています