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96.38 CTS DIOPTASE SPECIMEN-EMERALD GREEN [ST7635]

10011
11

SKU
寸法(mm)
x x mm
重さ (CT)
Certified Gemstones
いいえ
Shape
Emerald

SEDA GEMS

RARE DIOPTASE

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

Great specimen.

Weight 96.38  cts app

Size 33x28x15 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, 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 alkaline pH. 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

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.
Mermaid Waters 、 Australia
確認済み
19061フィードバック

  • rustynut
    rustynut
    ポジティブ

    Good stone great service

  • martin11
    martin11
    ポジティブ

    Great thank very much, lovely pearls.

  • philsgems
    philsgems
    ポジティブ

    Nice piece of rough. thankyou

  • philsgems
    philsgems
    ポジティブ

    Nice stone. Thankyou

  • philsgems
    philsgems
    ポジティブ

    Have received the rough. Nice colour. Thankyou

5%
クーポンコード SEDADEALS
まで有効
2nd Jan 2025

監査

この製品はGemstone Sheriffによって監査され、次のことが判明しました:
  • 説明が正確
  • 正確な写真

Comments

The Verified Seller responsible for this item has diligently provided us with accurate and comprehensive information, encompassing crucial details such as weight, dimensions, and treatment. It is important to reiterate our commitment to upholding the highest standards of integrity and transparency in the gemstone industry. As part of our policy, we strictly permit the sale of exclusively natural gemstones that have been sourced directly from the Earth. However, in the event that a gemstone has undergone any form of treatment, it is mandatory for the seller to provide full disclosure regarding the treatment process. Furthermore, we would like to emphasize that man-made gemstones, including simulants and imitations, are strictly prohibited on our platform. We prioritize the promotion of authentic, natural gemstones to ensure a genuine and trustworthy marketplace for our valued customers. Should you have any further inquiries or require additional assistance, please do not hesitate to reach out. We are here to assist you and provide a seamless experience on Gem Rock Auctions.

この監査は1年前にリクエストされました
最終更新1年前

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 : 362136
始まります : 20th December 2024 08:00 pm PST
* すべての価格はUSDで表記されています