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Certified Cobalt Spinel 2.86 ct Untreated Tanzania Mine Sku.29
- SKU
- 寸法(mm)
- 9.28 x 7.3 x 5.03mm
- 重さ (CT)
- 2.862
- Certified Gemstones
- はい
- Treatment
- No Treatment
- Type
- Faceted
- Shape
- Fancy
- 色
-
You can Check our other Spinel Collection;
https://www.gemrockauctions.com/stores/gemsmine/spinel
You can also check our other gemstones collection at:
https://www.gemrockauctions.com/stores/zayangems
Cobalt Spinel: The Enigmatic Gemstone You Need to Know About
Welcome to our comprehensive guide on cobalt spinel, the rare and stunning gemstone that has been causing ripples in the world of gemstones. If you're a gemstone enthusiast, then you need to know about this mesmerizing gemstone that has been gaining popularity in the gemstone market. In this article, we'll delve into what cobalt spinel is, its characteristics, history, origin, and value.
What is Cobalt Spinel?
Cobalt spinel is a rare and stunning gemstone that belongs to the spinel family. It has a unique deep blue color that is attributed to the presence of cobalt, which also gives the gemstone its name. Cobalt spinel is known for its high refractive index and brilliant luster, making it one of the most sought-after gemstones in the market.
Characteristics of Cobalt Spinel
Cobalt spinel has a Mohs hardness rating of 8, making it one of the hardest gemstones in the world. It has a specific gravity of 3.6-4.1 and a high refractive index of 1.712-1.725, making it highly reflective and brilliant. Cobalt spinel is usually found in octahedral crystals that range from a few millimeters to several centimeters in size.
History of Cobalt Spinel
Cobalt spinel has been known since ancient times, with records of its use dating back to the medieval period. The gemstone was highly prized by royalty and the nobility due to its rarity and stunning blue color. Cobalt spinel was also used in jewelry and was believed to have protective properties.
Origin of Cobalt Spinel
Cobalt spinel is found in various parts of the world, including Sri Lanka, Burma, Tanzania, and Vietnam. The gemstone is usually found in alluvial deposits, and mining is done manually due to the gemstone's rarity and value. Sri Lanka is one of the primary sources of cobalt spinel, and it is known for producing some of the finest quality cobalt spinels in the world.
Value of Cobalt Spinel
Cobalt spinel is one of the rarest gemstones in the world, and its value is determined by several factors, including its color, clarity, size, and cut. The gemstone's deep blue color is highly prized and is considered the most important factor in determining its value. Cobalt spinel is also highly valued for its brilliance, which is determined by the quality of the cut.
Conclusion
Cobalt spinel is a rare and stunning gemstone that has been gaining popularity in the gemstone market. Its deep blue color, high refractive index, and brilliance make it highly sought-after by collectors and gemstone enthusiasts. With its rich history, unique characteristics, and rarity, cobalt spinel is a gemstone that you need to know about.
If you're interested in learning more about cobalt spinel or would like to purchase a piece, don't hesitate to reach out to us. We'll be more than happy to assist you.
Feel free to to “make an offer” on our other items :)
We Accept Payments through
Paypal
Direct Deposit
Credit Card
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|---|---|---|
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- SKU
- 寸法(mm)
- 9.28 x 7.3 x 5.03 mm
- 重さ (CT)
- 2.862
- Certified Gemstones
- はい
- Treatment
- No Treatment
- Type
- Faceted
- Shape
- Fancy
- 色
-
You can Check our other Spinel Collection;
https://www.gemrockauctions.com/stores/gemsmine/spinel
You can also check our other gemstones collection at:
https://www.gemrockauctions.com/stores/zayangems
Cobalt Spinel: The Enigmatic Gemstone You Need to Know About
Welcome to our comprehensive guide on cobalt spinel, the rare and stunning gemstone that has been causing ripples in the world of gemstones. If you're a gemstone enthusiast, then you need to know about this mesmerizing gemstone that has been gaining popularity in the gemstone market. In this article, we'll delve into what cobalt spinel is, its characteristics, history, origin, and value.
What is Cobalt Spinel?
Cobalt spinel is a rare and stunning gemstone that belongs to the spinel family. It has a unique deep blue color that is attributed to the presence of cobalt, which also gives the gemstone its name. Cobalt spinel is known for its high refractive index and brilliant luster, making it one of the most sought-after gemstones in the market.
Characteristics of Cobalt Spinel
Cobalt spinel has a Mohs hardness rating of 8, making it one of the hardest gemstones in the world. It has a specific gravity of 3.6-4.1 and a high refractive index of 1.712-1.725, making it highly reflective and brilliant. Cobalt spinel is usually found in octahedral crystals that range from a few millimeters to several centimeters in size.
History of Cobalt Spinel
Cobalt spinel has been known since ancient times, with records of its use dating back to the medieval period. The gemstone was highly prized by royalty and the nobility due to its rarity and stunning blue color. Cobalt spinel was also used in jewelry and was believed to have protective properties.
Origin of Cobalt Spinel
Cobalt spinel is found in various parts of the world, including Sri Lanka, Burma, Tanzania, and Vietnam. The gemstone is usually found in alluvial deposits, and mining is done manually due to the gemstone's rarity and value. Sri Lanka is one of the primary sources of cobalt spinel, and it is known for producing some of the finest quality cobalt spinels in the world.
Value of Cobalt Spinel
Cobalt spinel is one of the rarest gemstones in the world, and its value is determined by several factors, including its color, clarity, size, and cut. The gemstone's deep blue color is highly prized and is considered the most important factor in determining its value. Cobalt spinel is also highly valued for its brilliance, which is determined by the quality of the cut.
Conclusion
Cobalt spinel is a rare and stunning gemstone that has been gaining popularity in the gemstone market. Its deep blue color, high refractive index, and brilliance make it highly sought-after by collectors and gemstone enthusiasts. With its rich history, unique characteristics, and rarity, cobalt spinel is a gemstone that you need to know about.
If you're interested in learning more about cobalt spinel or would like to purchase a piece, don't hesitate to reach out to us. We'll be more than happy to assist you.
Feel free to to “make an offer” on our other items :)
We Accept Payments through
Paypal
Direct Deposit
Credit Card
| プロバイダー | 行き先 | 料金 |
|---|---|---|
| FedEx デフォルト |
その他の地域
5
|
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
|
| Registered Shipping |
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
|
| FedEx デフォルト |
タイ
2
|
最初のアイテム
追加アイテムごとに
送料上限
|
| Express Shipping |
タイ
2
|
最初のアイテム
追加アイテムごとに
送料上限
|
| Registered Shipping |
タイ
7
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Gems Mine: Your One-Stop Shop for High-Quality Gemstones.
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ポジティブItem is as described
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ポジティブ
Great stone nice color! Will buy here again
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ポジティブShipping was fast. The garnet is beautiful, with a good cut and nice color
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ポジティブThe cut and color are truly elegant!
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ポジティブAbsolutely gorgeous pink garnet! This stone is truly special! Fast Delivery! Great Seller!
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ポジティブBeautiful, absolutely beautiful. This stone will give a lot of joy ! Thank’s for this perfect business
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入札が行われる場合、これはその商品に対して入札者が入札する最高額となります。その後、当社のシステムは入札者に代わって自動的に入札し、最高額まで入札額を段階的に引き上げていき、最高入札者としての地位を維持します。
「自動入札」を示すアイコンがある場合、当社のシステムが入札者の最高入札額に基づいて入札者に代わって入札を行っていることを意味します。入札者が自らの入札額を上回る入札をしているように見えるかもしれませんが、これは入札者の最高額を反映するようにシステムが入札額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
Comments
The Verified Seller has provided accurate and complete information for this item including weight, dimensions, and treatment.