Chrome-Tourmaline
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
7.0 – 7.5
Specific Gravity
2.85 – 3.35
Refractive Index
1.614 – 1.666
Crystal System
Trigonal
Luster
Vitreous
Color
various
Birefringence
0.014
Pleochroism
Strong: dark green - yellow-green
Mohs Hardness
| Mohs | Reference mineral | Chrome-Tourmaline |
|---|---|---|
| 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 Chrome-Tourmaline
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 Chrome-Tourmaline
铬碧玺是由铬元素致色的鲜绿色电气石，以其饱和的翠绿色著称，与祖母绿的绿色极为相似，但价格更为亲民。坦桑尼亚和肯尼亚是主要产地。铬碧玺的绿色纯正浓郁，透明度高，是近年来颇受珠宝设计师和收藏家青睐的宝石品种，常与优质祖母绿相媲美。
On this page
Jewelry Use
Durability
7/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Chrome-Tourmaline?
铬碧玺是由铬元素致色的鲜绿色电气石，以其饱和的翠绿色著称，与祖母绿的绿色极为相似，但价格更为亲民。坦桑尼亚和肯尼亚是主要产地。铬碧玺的绿色纯正浓郁，透明度高，是近年来颇受珠宝设计师和收藏家青睐的宝石品种，常与优质祖母绿相媲美。
What is the hardness of Chrome-Tourmaline?
Chrome-Tourmaline has a Mohs hardness of 7.0 to 7.5, making it excellent for use in jewelry.
What color is Chrome-Tourmaline?
Chrome-Tourmaline is primarily Various.
How much does Chrome-Tourmaline cost?
Chrome-Tourmaline falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Chrome-Tourmaline?
Chrome-Tourmaline belongs to the Trigonal crystal system.