Falcon's Eye
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
7.0
Specific Gravity
2.58 – 2.64
Refractive Index
1.534 – 1.54
Crystal System
Trigonal
Luster
Silky
Cleavage
None
Fracture
Irregular
Color
various
Pleochroism
Absent
Mohs Hardness
| Mohs | Reference mineral | Falcon's Eye |
|---|---|---|
| 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
Moderate ($50-500/ct)
Where to Buy Falcon's Eye
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 Falcon's Eye
ファルコンズアイ(ホークスアイ)は、青灰色から青緑色のシャトヤンシー効果(キャッツアイ効果)を示す石英の変種です。クロシドライト(青石綿)が石英に置換されて形成されたもので、繊維状構造が光を反射して鷹の目のような光の帯を生じます。南アフリカが主要産地です。
On this page
Jewelry Use
Durability
7/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Falcon's Eye?
ファルコンズアイ(ホークスアイ)は、青灰色から青緑色のシャトヤンシー効果(キャッツアイ効果)を示す石英の変種です。クロシドライト(青石綿)が石英に置換されて形成されたもので、繊維状構造が光を反射して鷹の目のような光の帯を生じます。南アフリカが主要産地です。
What is the hardness of Falcon's Eye?
Falcon's Eye has a Mohs hardness of 7.0, making it excellent for use in jewelry.
What color is Falcon's Eye?
Falcon's Eye is primarily Various.
How much does Falcon's Eye cost?
Falcon's Eye falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Falcon's Eye?
Falcon's Eye belongs to the Trigonal crystal system.