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価格

4.25 Cts Top color Natural Opal Gemstone

1124
0

SKU
OP 85
寸法(mm)
10.600 x 10.500 x 7.200mm
重さ (CT)
4.250
Treatment
No Treatment
タイプ
Faceted

We providing combine shipping for all of my customer

Gemstone    :       Natural Opal

Treatment:         Not Heated. Not Treated. Not Enhanced.

Opal is a hydrated amorphous form of silica (SiO2·nH2O); its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Because of its amorphous character, it is classed as a mineraloid, unlike crystalline forms of silica, which are classed as minerals. It is deposited at a relatively low temperature and may occur in the fissures of almost any kind of rock, being most commonly found with limonite, sandstone, rhyolite, marl, and basalt.

The name opal is believed to be derived from the Sanskrit word upala (उपल), which means 'jewel', and later the Greek derivative opállios (ὀπάλλιος), which means 'to see a change in color'.

There are two broad classes of opal: precious and common. Precious opal displays play-of-color (iridescence); common opal does not.[5] Play-of-color is defined as "a pseudo chromatic optical effect resulting in flashes of colored light from certain minerals, as they are turned in white light."[6] The internal structure of precious opal causes it to diffract light, resulting in play-of-color. Depending on the conditions in which it formed, opal may be transparent, translucent, or opaque, and the background color may be white, black, or nearly any color of the visual spectrum. Black opal is considered the rarest, while white, gray, and green opals are the most common.

配送業者 配送先Thailand その他の国への配送
Standard Shipping - Tracked $14.00 / 3 $16.00 / 25
:国
Standard Shipping - Tracked 、 2以上のアイテムを含む注文で$20.00に割引されます
世界のその他の地域
Standard Shipping - Tracked 、 2以上のアイテムを含む注文で$25.00に割引されます
FedEx $42.00 / 8 $42.00 / 10
:国
FedEx 、 2以上のアイテムを含む注文で$55.00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$55.00に割引されます

4.25 Cts  Top color  Natural  Opal Gemstone
Bangkok, Thailand
が所有している jemscollection

  • thekarl
    thekarl
    ポジティブ

    Arrived today. Is stunning! I am very happy with this.

  • thekarl
    thekarl
    ポジティブ

    Beautiful piece showed up today. Came with a good feeling of satisfaction knowing I own it as I held it in my hand for the first time. A great piece.

  • thekarl
    thekarl
    ポジティブ

    Very happy with the quality. I recommend this seller.

  • thekarl
    thekarl
    ポジティブ

    Very Happy! Beautiful sappire. I recommend checking out this sellers products if your in the market for some gems.

監査

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発送詳細

配送:
$16.00 25日 ( Standard Shipping - Tracked経由)
発送元:
Thailand

支払いオプション

  • paypal

概要

リストタイプ : Standard
製品番号 : 1920590
始まります : 7th March 2025 12:21 am PST
* すべての価格はUSDで表記されています