Opals
Gemstones
Jewelry
Coins
您尚未参与本次拍卖。
Super quality 3.15 Carats Natural Grandidirite Nice Cut Gemstone
- 存货单位
- 尺寸（毫米）
- 9.500 x 11.300 x 4.700mm
- 重量 (cts)
- 3.150
- 类型
- Faceted
- Shape
- Fancy, Pear
- 颜色
-
Grandidierite was first discovered in 1902 in Madagascar by Alfred Lacroix, a French mineralogist. Lacroix named the mineral in honor of French explorer and naturalist Alfred Grandidier (1836–1912), the first authority on the natural history of Madagascar.
Since its initial discovery, samples of Grandidierite have been found in only a few locations around the world, including Malawi, Namibia and Sri Lanka. But the few gem quality specimens have come mainly from Madagascar.
Gem-quality Grandidierite is extremely rare, and it often appears on the list of the 10 rarest varieties in the world, along with gems like jeremejevite, painite, benitoite and taafeite.
Gemologically, Grandidierite is a magnesium aluminum borosilicate. It has a hardness of 7 to 7.5 on the Mohs scale, similar to garnet; a density of 2.85 to 3.00, in the approximate range of tourmaline; and a refractive index of 1.590-1.623.
Name: GRANDIDIERITE GEMSTONE
Place of Origin: MADAGASCAR
TREATMENT: NATURAL
- 存货单位
- 尺寸（毫米）
- 9.500 x 11.300 x 4.700 mm
- 重量 (cts)
- 3.150
- 类型
- Faceted
- Shape
- Fancy, Pear
- 颜色
-
Grandidierite was first discovered in 1902 in Madagascar by Alfred Lacroix, a French mineralogist. Lacroix named the mineral in honor of French explorer and naturalist Alfred Grandidier (1836–1912), the first authority on the natural history of Madagascar.
Since its initial discovery, samples of Grandidierite have been found in only a few locations around the world, including Malawi, Namibia and Sri Lanka. But the few gem quality specimens have come mainly from Madagascar.
Gem-quality Grandidierite is extremely rare, and it often appears on the list of the 10 rarest varieties in the world, along with gems like jeremejevite, painite, benitoite and taafeite.
Gemologically, Grandidierite is a magnesium aluminum borosilicate. It has a hardness of 7 to 7.5 on the Mohs scale, similar to garnet; a density of 2.85 to 3.00, in the approximate range of tourmaline; and a refractive index of 1.590-1.623.
Name: GRANDIDIERITE GEMSTONE
Place of Origin: MADAGASCAR
TREATMENT: NATURAL
| 运输商 | 运送至：国家 | 运送到世界其他地区 |
|---|---|---|
| Standard Shipping - Tracked | $15.00 / ：几天天 | $15.00 / ：几天天 |
|
：国家
Standard Shipping - Tracked 对包含 3 或更多商品的订单折扣为 $13.00
世界其他地区
Standard Shipping - Tracked 对包含 2 或更多商品的订单折扣为 $15.00
|
||
| FedEx | $30.00 / ：几天天 | $30.00 / ：几天天 |
|
：国家
FedEx 对包含 3 或更多商品的订单折扣为 $30.00
世界其他地区
FedEx 对包含 3 或更多商品的订单折扣为 $30.00
|
||
-
积极的Paid and shipped - no feedback left after 100 days
-
积极的
Paid and shipped - no feedback left after 100 days
-
积极的
Paid and shipped - no feedback left after 100 days
-
积极的
Paid and shipped - no feedback left after 100 days
为什么用户出价高于自己？
出价时，这是用户愿意为产品出价的最高金额。然后，我们的系统将代表该用户自动出价，逐步提高出价以保持其作为最高出价者的地位，直至达到指定的最高价。
当出现“自动出价”图标时，表示我们的系统正在根据用户的最高出价主动为用户出价。这可能看起来好像用户出价高于自己，但这只是系统更新出价以反映用户最高限制的结果。
