您尚未參與本次拍賣。
High Quality Natural Afghanistan Emerald Ring With 925 Sterling Silver
- 存貨單位
- AS
- 尺寸(毫米)
- 1 x 1 x 1mm
- 重量 (G)
- 12.97
- Material
- Silver
- Ring Size
- 8
- Certified
- 是的
- Occasion
- Anniversary
- Recipient
- Unisex adults
- Gemstone
- Emerald
- Birthstones
- January
- 顏色
-
High Quality Natural Afghanistan Emerald Ring With 925 Sterling Silver
Stone:(Emerald)
Afghanistan’s Emeralds: A Gemological Overview
1. Origins & Notable Mining Areas
Afghanistan is home to some historic and high-quality emerald deposits, with the most prominent source being the Panjshir Valley. This region has gained renewed attention in recent years for producing exceptionally clear and vibrant emeralds.
2. Distinct Types of Afghan Emeralds
Gemological research—particularly by the Swiss Gemmological Institute (SSEF)—has identified two main types of Afghan emeralds:
Classic Afghan Emeralds: Described extensively in literature, these have long been valued for their beauty and size.
New High-Quality Discoveries (circa 2017): A particularly high-grade find in the Panjshir mines produced stones that closely resembled Colombian emeralds in clarity and color.
3. What Sets Afghan Emeralds Apart
While they may look similar to Colombian emeralds at first glance, Afghan emeralds have unique characteristics:
Inclusions: They often contain irregular, spiky fluid inclusions and very fine, parallel hollow tubes—traits also seen in Colombian emeralds.
Graining patterns: Unlike the honeycomb-like “gota de aceite” frequently found in Colombian stones, Afghan emeralds lack this distinct graining. Occasionally, weak chevron-like growth patterns may appear.
Chemical composition: Afghan emeralds often exhibit a higher iron concentration (about 0.3–0.4 wt% Fe2O3) compared to Colombian specimens (typically less than 0.1 wt%). The refractive index (approximately 1.582–1.592) and specific gravity (~2.72) are similar to Colombian emeralds.
Absorption features: A subtle iron-related absorption band near 850 nm is characteristic of Afghan emeralds, offering another diagnostic clue.
| 運輸商 | 運送至:國家 | 運送到世界其他地區 | 聯合運輸( 泰國 ) | 聯合運輸(世界其他地區) |
|---|---|---|---|---|
| Standard Shipping - Tracked |
|
|
|
|
| FedEx |
|
|
|
|
- 存貨單位
- AS
- 尺寸(毫米)
- 1 x 1 x 1 mm
- 重量 (G)
- 12.97
- Material
- Silver
- Ring Size
- 8
- Certified
- 是的
- Occasion
- Anniversary
- Recipient
- Unisex adults
- Gemstone
- Emerald
- Birthstones
- January
- 顏色
-
High Quality Natural Afghanistan Emerald Ring With 925 Sterling Silver
Stone:(Emerald)
Afghanistan’s Emeralds: A Gemological Overview
1. Origins & Notable Mining Areas
Afghanistan is home to some historic and high-quality emerald deposits, with the most prominent source being the Panjshir Valley. This region has gained renewed attention in recent years for producing exceptionally clear and vibrant emeralds.
2. Distinct Types of Afghan Emeralds
Gemological research—particularly by the Swiss Gemmological Institute (SSEF)—has identified two main types of Afghan emeralds:
Classic Afghan Emeralds: Described extensively in literature, these have long been valued for their beauty and size.
New High-Quality Discoveries (circa 2017): A particularly high-grade find in the Panjshir mines produced stones that closely resembled Colombian emeralds in clarity and color.
3. What Sets Afghan Emeralds Apart
While they may look similar to Colombian emeralds at first glance, Afghan emeralds have unique characteristics:
Inclusions: They often contain irregular, spiky fluid inclusions and very fine, parallel hollow tubes—traits also seen in Colombian emeralds.
Graining patterns: Unlike the honeycomb-like “gota de aceite” frequently found in Colombian stones, Afghan emeralds lack this distinct graining. Occasionally, weak chevron-like growth patterns may appear.
Chemical composition: Afghan emeralds often exhibit a higher iron concentration (about 0.3–0.4 wt% Fe2O3) compared to Colombian specimens (typically less than 0.1 wt%). The refractive index (approximately 1.582–1.592) and specific gravity (~2.72) are similar to Colombian emeralds.
Absorption features: A subtle iron-related absorption band near 850 nm is characteristic of Afghan emeralds, offering another diagnostic clue.
| 運輸商 | 運送至:國家 | 運送到世界其他地區 | 聯合運輸( 泰國 ) | 聯合運輸(世界其他地區) |
|---|---|---|---|---|
| Standard Shipping - Tracked |
|
|
|
|
| FedEx |
|
|
|
|
為什麼用戶出價高於自己?
出價時,這是一個人願意為產品出價的最高金額。然後,我們的系統將自動代表投標人出價,逐步將出價提高到最高價,以保持其最高出價者的地位。
當出現「自動出價」圖示時,表示我們的系統正在根據投標者的最高出價主動為其出價。這可能看起來好像出價者出價高於自己,但這只是系統更新出價以反映出價者最高限額的結果。