6.09 Cts Top color Natural Opal Gemstone
- 存貨單位
- OP 83
- 尺寸(毫米)
- 14.2 x 12.1 x 7.3mm
- 重量 (cts)
- 6.09
- Treatment
- No Treatment
- Type
- Faceted
- 顏色
-
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.
| 提供者 | 目的地 | 成本 |
|---|---|---|
| Standard Shipping - Tracked 默認 |
世界其他地區
:幾天天
|
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:幾天天
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| Standard Shipping - Tracked 默認 |
大不列顛及北愛爾蘭聯合王國
:幾天天
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| Standard Shipping - Tracked 默認 |
泰國
:幾天天
|
第一項
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|
| FedEx |
大不列顛及北愛爾蘭聯合王國
:幾天天
|
第一項
每增加一件
運費上限為
|
| FedEx |
泰國
:幾天天
|
第一項
每增加一件
運費上限為
|
- 存貨單位
- OP 83
- 尺寸(毫米)
- 14.2 x 12.1 x 7.3 mm
- 重量 (cts)
- 6.09
- Treatment
- No Treatment
- Type
- Faceted
- 顏色
-
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.
| 提供者 | 目的地 | 成本 |
|---|---|---|
| Standard Shipping - Tracked 默認 |
世界其他地區
:幾天天
|
第一項
每增加一件
運費上限為
|
| FedEx |
世界其他地區
:幾天天
|
第一項
每增加一件
運費上限為
|
| Standard Shipping - Tracked 默認 |
大不列顛及北愛爾蘭聯合王國
:幾天天
|
第一項
每增加一件
運費上限為
|
| Standard Shipping - Tracked 默認 |
泰國
:幾天天
|
第一項
每增加一件
運費上限為
|
| FedEx |
大不列顛及北愛爾蘭聯合王國
:幾天天
|
第一項
每增加一件
運費上限為
|
| FedEx |
泰國
:幾天天
|
第一項
每增加一件
運費上限為
|
We are suppliers of good quality precious and semiprecious gemstones.
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積極的
Beautiful stone!
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積極的excellent colour, shape and cut
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積極的excellent gemstone, rich colour display
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中性的Interesting Purple/Pink sapphire with lots of carbon spots within the gemstone. The audit of this sapphire is not complete, but it's not convinced the description was accurate.