Hiddenite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 7.0
Specific Gravity
3.15 – 3.21
Refractive Index
1.657 – 1.681
Crystal System
Monoclinic
Luster
Vitreous
Cleavage
Perfect
Fracture
Uneven
Color
various
Birefringence
0.014
Dispersion
0.017
Pleochroism
Distinct trichroism: yellow green - green - blue green
Mohs Hardness
| Mohs | Reference mineral | Hiddenite |
|---|---|---|
| 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 Hiddenite
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 Hiddenite
ヒデナイトは、クロムを含む緑色のスポジュメン（リシア輝石）の変種で、エメラルドに似た鮮やかな緑色を示します。ノースカロライナ州ヒデナイトで発見されたことから命名されました。高品質の標本はブラジルやアフガニスタンからも産出し、コレクターや宝石愛好家に非常に人気があります。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Hiddenite?
ヒデナイトは、クロムを含む緑色のスポジュメン（リシア輝石）の変種で、エメラルドに似た鮮やかな緑色を示します。ノースカロライナ州ヒデナイトで発見されたことから命名されました。高品質の標本はブラジルやアフガニスタンからも産出し、コレクターや宝石愛好家に非常に人気があります。
What is the hardness of Hiddenite?
Hiddenite has a Mohs hardness of 6.0 to 7.0, making it moderate for use in jewelry.
What color is Hiddenite?
Hiddenite is primarily Various.
How much does Hiddenite cost?
Hiddenite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Hiddenite?
Hiddenite belongs to the Monoclinic crystal system.