Epidote
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 7.0
Specific Gravity
3.25 – 3.5
Refractive Index
1.729 – 1.768
Crystal System
Monoclinic
Luster
Vitreous
Cleavage
Perfect
Fracture
Conchoidal,Splintery
Color
various
Birefringence
0.014
Dispersion
0.03
Pleochroism
Orange/brown stones - strong trichroism: green to strong green - light brown to brown - yellow to colorless; Green stones - strong: green - brown - yellow to colorless
Mohs Hardness
| Mohs | Reference mineral | Epidote |
|---|---|---|
| 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 Epidote
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 Epidote
绿帘石是一种钙铝铁硅酸盐矿物，以其特征性的黄绿色至橄榄绿色著称，颜色深浅受铁含量影响。晶体通常呈棱柱状，具有强烈的玻璃光泽，多色性明显。宝石级绿帘石颜色独特，切磨后光泽迷人，但因颜色较为特殊，主要吸引宝石收藏家。主要产地包括奥地利、巴基斯坦、挪威和美国，在变质岩和矽卡岩中广泛分布。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Epidote?
绿帘石是一种钙铝铁硅酸盐矿物，以其特征性的黄绿色至橄榄绿色著称，颜色深浅受铁含量影响。晶体通常呈棱柱状，具有强烈的玻璃光泽，多色性明显。宝石级绿帘石颜色独特，切磨后光泽迷人，但因颜色较为特殊，主要吸引宝石收藏家。主要产地包括奥地利、巴基斯坦、挪威和美国，在变质岩和矽卡岩中广泛分布。
What is the hardness of Epidote?
Epidote has a Mohs hardness of 6.0 to 7.0, making it moderate for use in jewelry.
What color is Epidote?
Epidote is primarily Various.
How much does Epidote cost?
Epidote falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Epidote?
Epidote belongs to the Monoclinic crystal system.