あなたはこのオークションに入札していません。
1.60 ct Demantoid Garnet Namibia Mined Sku.1
- SKU
- 寸法(mm)
- 7.42 x 5.73 x 4.43mm
- 重さ (CT)
- 1.6
- Treatment
- Heat Treatment
- Type
- Faceted
- Shape
- Oval
- 色
-
You Can Check our other Tsavorite Colelction at;
https://www.gemrockauctions.com/stores/naturalspectragems/garnet/demantoid-garnet/
You Can Check our other Gemstone Collection at;
https://www.gemrockauctions.com/stores/naturalspectragems
Demantoid Gemstones: A Comprehensive Guide
Demantoid is a rare and valuable variety of the mineral andradite, a member of the garnet family. This gemstone is prized for its bright green color, often compared to the color of emeralds, and its exceptional brilliance and fire. In this article, we will explore the characteristics, history, and beauty of demantoid gemstones, as well as tips for purchasing and caring for these precious stones.
Characteristics of Demantoid Gemstones
Demantoid is a hard and durable mineral, with a hardness of 6.5-7 on the Mohs scale. It has a distinct bright green color, often described as a grassy or pine green, and is known for its exceptional fire and brilliance. This is due to its high dispersion, or the ability to split white light into its individual spectral colors, which is higher than that of diamonds.
One of the unique and defining features of demantoid is its horse-tail inclusions, which are long, fibrous inclusions that resemble the tail of a horse. These inclusions are a hallmark of demantoid, and are often used to identify the stone. However, they can also impact the stone's transparency and value, so it is important to carefully consider their presence when purchasing demantoid gemstones.
The History of Demantoid Gemstones
Demantoid was first discovered in Russia in the 1820s, and quickly gained popularity among the aristocracy and royal families of Europe. The gemstone was prized for its exceptional beauty and rarity, and was often set into fine jewelry, including tiaras and brooches.
In the late 19th and early 20th centuries, demantoid was also popular in the Art Nouveau and Art Deco movements, where its vibrant green color and unique horse-tail inclusions were celebrated in intricate and imaginative jewelry designs.
Today, demantoid is still considered a rare and valuable gemstone, with demand outpacing supply. It is most commonly found in Russia, but small deposits have also been discovered in Italy, Iran, and Namibia.
Caring for Demantoid Gemstones
Demantoid is a hard and durable gemstone, but it is still important to take care of it to maintain its beauty and value. Here are some tips for caring for your demantoid gemstones:
Store demantoid separately from other gemstones, to prevent scratches and damage.
Clean demantoid gently with warm, soapy water and a soft cloth. Avoid ultrasonic and steam cleaners, which can damage the stone.
Remove demantoid before engaging in physical activity, to prevent scratches and impacts.
Have demantoid inspected and cleaned by a professional gemologist on a regular basis, to maintain its beauty and value.
Purchasing Demantoid Gemstones
When purchasing demantoid gemstones, it is important to consider the following factors:
Color: Look for a bright green color with yellow-green or blue-green undertones. Avoid stones that are too light or too dark, as they may be less valuable.
Clarity: Demantoid should be free of inclusions, but horse-tail inclusions are characteristic of the stone and are not necessarily a defect. Consider the placement and visibility of inclusions when choosing a stone.
Cut: Look for a well-cut stone with good symmetry and proportion, to maximize its brilliance and fire.
Carat weight: Demantoid is a rare gemstone, and larger stones are more valuable. Consider purchasing a larger stone if you have
Feel free to “make an offer” on our other items :)
We Accept Payments through
Paypal
Direct Deposit
Credit Cards
| 配送業者 | 配送先タイ | その他の国への配送 | 同梱配送 ( タイ ) | 同梱配送(その他の地域) |
|---|---|---|---|---|
| FedEx |
|
|
|
|
| Express Shipping |
|
|
|
|
| Registered Shipping |
|
|
|
|
- SKU
- 寸法(mm)
- 7.42 x 5.73 x 4.43 mm
- 重さ (CT)
- 1.6
- Treatment
- Heat Treatment
- Type
- Faceted
- Shape
- Oval
- 色
-
You Can Check our other Tsavorite Colelction at;
https://www.gemrockauctions.com/stores/naturalspectragems/garnet/demantoid-garnet/
You Can Check our other Gemstone Collection at;
https://www.gemrockauctions.com/stores/naturalspectragems
Demantoid Gemstones: A Comprehensive Guide
Demantoid is a rare and valuable variety of the mineral andradite, a member of the garnet family. This gemstone is prized for its bright green color, often compared to the color of emeralds, and its exceptional brilliance and fire. In this article, we will explore the characteristics, history, and beauty of demantoid gemstones, as well as tips for purchasing and caring for these precious stones.
Characteristics of Demantoid Gemstones
Demantoid is a hard and durable mineral, with a hardness of 6.5-7 on the Mohs scale. It has a distinct bright green color, often described as a grassy or pine green, and is known for its exceptional fire and brilliance. This is due to its high dispersion, or the ability to split white light into its individual spectral colors, which is higher than that of diamonds.
One of the unique and defining features of demantoid is its horse-tail inclusions, which are long, fibrous inclusions that resemble the tail of a horse. These inclusions are a hallmark of demantoid, and are often used to identify the stone. However, they can also impact the stone's transparency and value, so it is important to carefully consider their presence when purchasing demantoid gemstones.
The History of Demantoid Gemstones
Demantoid was first discovered in Russia in the 1820s, and quickly gained popularity among the aristocracy and royal families of Europe. The gemstone was prized for its exceptional beauty and rarity, and was often set into fine jewelry, including tiaras and brooches.
In the late 19th and early 20th centuries, demantoid was also popular in the Art Nouveau and Art Deco movements, where its vibrant green color and unique horse-tail inclusions were celebrated in intricate and imaginative jewelry designs.
Today, demantoid is still considered a rare and valuable gemstone, with demand outpacing supply. It is most commonly found in Russia, but small deposits have also been discovered in Italy, Iran, and Namibia.
Caring for Demantoid Gemstones
Demantoid is a hard and durable gemstone, but it is still important to take care of it to maintain its beauty and value. Here are some tips for caring for your demantoid gemstones:
Store demantoid separately from other gemstones, to prevent scratches and damage.
Clean demantoid gently with warm, soapy water and a soft cloth. Avoid ultrasonic and steam cleaners, which can damage the stone.
Remove demantoid before engaging in physical activity, to prevent scratches and impacts.
Have demantoid inspected and cleaned by a professional gemologist on a regular basis, to maintain its beauty and value.
Purchasing Demantoid Gemstones
When purchasing demantoid gemstones, it is important to consider the following factors:
Color: Look for a bright green color with yellow-green or blue-green undertones. Avoid stones that are too light or too dark, as they may be less valuable.
Clarity: Demantoid should be free of inclusions, but horse-tail inclusions are characteristic of the stone and are not necessarily a defect. Consider the placement and visibility of inclusions when choosing a stone.
Cut: Look for a well-cut stone with good symmetry and proportion, to maximize its brilliance and fire.
Carat weight: Demantoid is a rare gemstone, and larger stones are more valuable. Consider purchasing a larger stone if you have
Feel free to “make an offer” on our other items :)
We Accept Payments through
Paypal
Direct Deposit
Credit Cards
| 配送業者 | 配送先タイ | その他の国への配送 | 同梱配送 ( タイ ) | 同梱配送(その他の地域) |
|---|---|---|---|---|
| FedEx |
|
|
|
|
| Express Shipping |
|
|
|
|
| Registered Shipping |
|
|
|
|
Natural Spectra Gems PTY LTD [NSG] a has been operating from Australia, Pakistan and Thailand for th....
-
ポジティブGreat seller. Gemstones are exactly as pictured and described, were dispatched quickly, and arrived sooner than expected. Good experience for me as the purchaser and will be happy to do business again.
-
ポジティブBeen looking for this quite a long time so delighted to have acquired it. As shown and described.
-
ポジティブPaid and shipped - no feedback left after 100 days
-
ポジティブPaid and shipped - no feedback left after 100 days
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。