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Rare Andesine (Sunstone) 3.29 ct aka Reddish Labradorite SKU-11
- SKU
- 寸法(mm)
- 11.060 x 9.060 x 6.140mm
- 重さ (CT)
- 3.290
- Treatment
- No Treatment
- Clarity
- VS
- タイプ
- Faceted
- 色
-
You Can check our other Andesine Collection at;
https://www.gemrockauctions.com/stores/gemsmine/andesine-feldspar/
You can check our other Stones Collection at;
https://www.gemrockauctions.com/stores/gemsmine
Andesine is a mineral that belongs to the feldspar group. It is a tectosilicate mineral and is a member of the plagioclase solid solution series, which also includes minerals such as albite and anorthite. The chemical formula of andesine is (Na,Ca)(Si,Al)4O8, indicating its composition of sodium (Na), calcium (Ca), silicon (Si), aluminum (Al), and oxygen (O).
Andesine typically occurs in igneous rocks, particularly in intermediate to high silica content volcanic rocks, such as andesite. It forms as a result of the cooling and crystallization of magma. Andesine can also be found in some metamorphic rocks that have experienced high temperatures and pressures.
One notable characteristic of andesine is its ability to exhibit a range of colors, including white, gray, red, brown, and green. The color variation is due to the presence of different impurities and trace elements in the mineral structure. In particular, red andesine, known as "red labradorite" or "sunstone," is highly valued as a gemstone and is often used in jewelry.
Andesine is named after the Andes Mountains in South America, where it was first discovered. It has also been found in other locations around the world, including the United States, Canada, Russia, and China.
As a gemstone, andesine is valued for its color play and luster. However, it's worth noting that there has been controversy surrounding some commercial forms of andesine gemstones. Certain orange to red-colored andesine gemstones that have appeared on the market were claimed to be from the Congo, but subsequent analysis revealed that they were likely treated labradorite or andesine-labradorite feldspar. Authentic red labradorite, which is a naturally occurring variety of andesine, is rare and highly sought after by collectors and gem enthusiasts.
In summary, andesine is a feldspar mineral found in volcanic and metamorphic rocks. It can exhibit a range of colors, with red andesine being particularly valuable as a gemstone. It is important to be aware of potential imitations and ensure the authenticity of any red labradorite or andesine gemstones being purchased.
Feel free to to “make an offer” on our other items :)
We Accept Payment through
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- SKU
- 寸法(mm)
- 11.060 x 9.060 x 6.140 mm
- 重さ (CT)
- 3.290
- Treatment
- No Treatment
- Clarity
- VS
- タイプ
- Faceted
- 色
-
You Can check our other Andesine Collection at;
https://www.gemrockauctions.com/stores/gemsmine/andesine-feldspar/
You can check our other Stones Collection at;
https://www.gemrockauctions.com/stores/gemsmine
Andesine is a mineral that belongs to the feldspar group. It is a tectosilicate mineral and is a member of the plagioclase solid solution series, which also includes minerals such as albite and anorthite. The chemical formula of andesine is (Na,Ca)(Si,Al)4O8, indicating its composition of sodium (Na), calcium (Ca), silicon (Si), aluminum (Al), and oxygen (O).
Andesine typically occurs in igneous rocks, particularly in intermediate to high silica content volcanic rocks, such as andesite. It forms as a result of the cooling and crystallization of magma. Andesine can also be found in some metamorphic rocks that have experienced high temperatures and pressures.
One notable characteristic of andesine is its ability to exhibit a range of colors, including white, gray, red, brown, and green. The color variation is due to the presence of different impurities and trace elements in the mineral structure. In particular, red andesine, known as "red labradorite" or "sunstone," is highly valued as a gemstone and is often used in jewelry.
Andesine is named after the Andes Mountains in South America, where it was first discovered. It has also been found in other locations around the world, including the United States, Canada, Russia, and China.
As a gemstone, andesine is valued for its color play and luster. However, it's worth noting that there has been controversy surrounding some commercial forms of andesine gemstones. Certain orange to red-colored andesine gemstones that have appeared on the market were claimed to be from the Congo, but subsequent analysis revealed that they were likely treated labradorite or andesine-labradorite feldspar. Authentic red labradorite, which is a naturally occurring variety of andesine, is rare and highly sought after by collectors and gem enthusiasts.
In summary, andesine is a feldspar mineral found in volcanic and metamorphic rocks. It can exhibit a range of colors, with red andesine being particularly valuable as a gemstone. It is important to be aware of potential imitations and ensure the authenticity of any red labradorite or andesine gemstones being purchased.
Feel free to to “make an offer” on our other items :)
We Accept Payment through
Paypal
Direct Deposit
Credit Cards
| 配送業者 | 発送先:国 | その他の国への配送 |
|---|---|---|
| FedEx | $35.00 / :日日 | $35.00 / :日日 |
|
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| Express Shipping | $55.00 / :日日 | $55.00 / :日日 |
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：国
:数量以上のアイテムを含む注文では、:プロバイダーは $55.00 に割引されます
世界のその他の地域
:数量以上のアイテムを含む注文では、:プロバイダーは $55.00 に割引されます
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| Registered Shipping | $10.00 / :日日 | $10.00 / :日日 |
|
：国
:数量以上のアイテムを含む注文では、:プロバイダーは $10.00 に割引されます
世界のその他の地域
:数量以上のアイテムを含む注文では、:プロバイダーは $10.00 に割引されます
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ポジティブA very nice stone.
なぜユーザーは自分自身を上回る入札をするのでしょうか?
入札する場合、これはユーザーが製品に入札する意思のある最大金額です。その後、当社のシステムがそのユーザーに代わって自動的に入札し、最高入札者としての地位を維持するために、指定された最大値まで入札額を段階的に引き上げます。
「自動入札」を示すアイコンがある場合、システムが最高入札額に基づいてユーザーに積極的に入札していることを意味します。これは、ユーザーが自分自身を上回って入札しているように見えるかもしれませんが、ユーザーの上限を反映するためにシステムが入札を更新した結果にすぎません。
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説明が正確
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正確な写真
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The Verified Seller has provided accurate and complete information for this item including weight, dimensions, and treatment.
