Gem Quality Garnet 2.30Ct Top Color Natural Fanta Spessartite
- SKU
- 23H
- 寸法(mm)
- 7.15 x 7.15 x 5.45mm
- 重さ (CT)
- 2.3
- Treatment
- No Treatment
- Shape
- Round
- Type
- Faceted
- Clarity
- VVS
- 色
-
Garnet is the name used for a large group of rock-forming minerals. These minerals share a common crystal structure and a generalized chemical composition of X3Y2(SiO4)3. In that composition, "X" can be Ca, Mg, Fe2+ or Mn2+, and "Y" can be Al, Fe3+, Mn3+, V3+ or Cr3+.
These minerals are found throughout the world in metamorphic, igneous, and sedimentary rocks. Most garnet found near Earth's surface forms when a sedimentary rock with a high aluminum content, such as shale, is subjected to heat and pressure intense enough to produce schist or gneiss. Garnet is also found in the rocks of contact metamorphism, subsurface magma chambers, lava flows, deep-source volcanic eruptions, and the soils and sediments formed when garnet-bearing rocks are weathered and eroded.
Most people associate the word "garnet" with a red gemstone; however, they are often surprised to learn that garnet occurs in many other colors and has many other uses. In the United States, the major industrial uses of garnet in 2012 were waterjet cutting (35%), abrasive blasting media (30%), water filtration granules (20%), and abrasive powders (10%).
Item Details
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| Standard Shipping - Tracked デフォルト |
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4
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7
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10
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2
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- SKU
- 23H
- 寸法(mm)
- 7.15 x 7.15 x 5.45 mm
- 重さ (CT)
- 2.3
- Treatment
- No Treatment
- Shape
- Round
- Type
- Faceted
- Clarity
- VVS
- 色
-
Garnet is the name used for a large group of rock-forming minerals. These minerals share a common crystal structure and a generalized chemical composition of X3Y2(SiO4)3. In that composition, "X" can be Ca, Mg, Fe2+ or Mn2+, and "Y" can be Al, Fe3+, Mn3+, V3+ or Cr3+.
These minerals are found throughout the world in metamorphic, igneous, and sedimentary rocks. Most garnet found near Earth's surface forms when a sedimentary rock with a high aluminum content, such as shale, is subjected to heat and pressure intense enough to produce schist or gneiss. Garnet is also found in the rocks of contact metamorphism, subsurface magma chambers, lava flows, deep-source volcanic eruptions, and the soils and sediments formed when garnet-bearing rocks are weathered and eroded.
Most people associate the word "garnet" with a red gemstone; however, they are often surprised to learn that garnet occurs in many other colors and has many other uses. In the United States, the major industrial uses of garnet in 2012 were waterjet cutting (35%), abrasive blasting media (30%), water filtration granules (20%), and abrasive powders (10%).
Item Details
| プロバイダー | 行き先 | 料金 |
|---|---|---|
| Standard Shipping - Tracked デフォルト |
その他の地域
21
|
最初のアイテム
追加アイテムごとに
送料上限
|
| Express Shipping |
その他の地域
7
|
最初のアイテム
追加アイテムごとに
送料上限
|
| FedEx |
その他の地域
4
|
最初のアイテム
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送料上限
|
| Standard Shipping - Tracked デフォルト |
タイ
7
|
最初のアイテム
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送料上限
|
| Express Shipping |
タイ
10
|
最初のアイテム
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|
| FedEx |
タイ
2
|
最初のアイテム
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ポジティブI am a repeat customer and will continue to purchase my gemstones from them. Great Stones, Great Service and Great Professionalism. Top Shelf Seller 100%
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ポジティブHaven't had it appraised, but so far so good! Seller was communicative when messaged, and I received the gem.
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ポジティブPaid and shipped - no feedback left after 100 days
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ポジティブPaid and shipped - no feedback left after 100 days
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