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$15.00 USD
価格
3689
4

LARGE SMOKY QUARTZ 14.9 CTS [ST169]

SKU
寸法(mm)
x x mm
重さ (CT)
タイプ
Faceted

 SMOKY QUARTZ

 This is a natural untreated cognac colour stone.It has been cut with a checkerboard back and a flat top [called bluff cutting.]This gives a nice reflection of the cut behind it.

Grading:VS

Weight 14.9 cts app

Size 20x 15x7 mm app

Smoky quartz is a popular variety of quartz. It has an unusual color for a gemstone and is easily recognized and is well known by the general public. Only a few other brown or black minerals are ever cut for gemstones such as black diamond, smoky topaz, the very rare black beryl or brown corundum. .

Smoky quartz, a variety itself of quartz, has a few varieties of its own.

  • Cairngorm is a variety that comes from the Cairngorm Mountains in Scotland.
  • Morion is a very dark black opaque variety of smoky quartz.
  • Coon tail quartz is a smoky quartz with an alternating black and gray banding.
  • A Gwindel is a smoky quartz cluster of nearly parallel crystals, each rotated slightly relative to the one beside it.

The color of smoky quartz is variable from brown to black and sometimes smoky gray colored specimens are included as smoky quartz. The cause of the color of smoky quartz is in question but it is almost certainly related to the amount of exposure to radiation that the stone has undergone. Natural smoky quartz often occurs in granitic rocks which have a small but persistent amount of radioactivity

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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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  • gemarab
    gemarab
    ポジティブ

    Great and clear sapphire, beautiful cut ! Great packaging

  • js20031
    js20031
    ポジティブ

    AAAA+++ Very Happy! Just like the pic.

  • js20031
    js20031
    ポジティブ

    AAAA+++ Very Happy! Just like the pic.

5%
クーポンコード SEDADEALS
まで有効
7th Nov 2024

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発送詳細

配送:
$16.00 Registered Shipping 経由の日数をカウント
発送元:
Australia

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この出品者は、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 : 88313
始まります : 6th November 2024 07:00 pm PST
* すべての価格は:通貨で表示されます