Afghanite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5 – 6.0
Specific Gravity
2.55 – 2.65
Refractive Index
1.522 – 1.533
Crystal System
Hexagonal
Luster
Vitreous
Cleavage
Perfect
Fracture
Conchoidal
Color
various
Birefringence
0.006
Mohs Hardness
| Mohs | Reference mineral | Afghanite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | ● |
| 7 | Quartz | |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Price Tier
Budget (< $50/ct)
Where to Buy Afghanite
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
About Afghanite
アフガナイトは、アフガニスタンのコクシャ渓谷のラズライト産地にほぼ限定して産出する、稀少な明るい青色から無色のテクトケイ酸塩鉱物です。ラピスラズリと共産するため同定が困難なことがありますが、その鮮やかな青色とコレクション上の稀少性から宝石愛好家に珍重されています。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Afghanite?
アフガナイトは、アフガニスタンのコクシャ渓谷のラズライト産地にほぼ限定して産出する、稀少な明るい青色から無色のテクトケイ酸塩鉱物です。ラピスラズリと共産するため同定が困難なことがありますが、その鮮やかな青色とコレクション上の稀少性から宝石愛好家に珍重されています。
What is the hardness of Afghanite?
Afghanite has a Mohs hardness of 5.5 to 6.0, making it moderate for use in jewelry.
What color is Afghanite?
Afghanite is primarily Various.
How much does Afghanite cost?
Afghanite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Afghanite?
Afghanite belongs to the Hexagonal crystal system.