Petalite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 6.5
Specific Gravity
2.4
Refractive Index
1.502 – 1.523
Crystal System
Monoclinic
Luster
Pearly
Cleavage
Glass
Fracture
Conchoidal
Color
various
Birefringence
0.012
Dispersion
0.0141
Pleochroism
Absent
Mohs Hardness
| Mohs | Reference mineral | Petalite |
|---|---|---|
| 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 Petalite
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 Petalite
透锂长石是一种锂铝硅酸盐矿物，形成无色、白色、淡黄色或淡粉色棱柱状至板状晶体，具有玻璃至珍珠光泽，产于含锂花岗伟晶岩中。透锂长石以希腊语「叶片」命名，指其片状解理，是重要的锂矿石矿物，1817年约翰·奥古斯特·阿弗维德森在研究透锂长石时发现了锂元素。宝石级透明透锂长石摩氏硬度约6至6.5，折射率约1.502至1.520，切磨成刻面石后以其清澈透明和柔和光泽受到稀有宝石收藏家喜爱。重要产地包括巴西（米纳斯吉拉斯州，世界最重要产地）、津巴布韦、美国（缅因州）、澳大利亚和纳米比亚。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Petalite?
透锂长石是一种锂铝硅酸盐矿物，形成无色、白色、淡黄色或淡粉色棱柱状至板状晶体，具有玻璃至珍珠光泽，产于含锂花岗伟晶岩中。透锂长石以希腊语「叶片」命名，指其片状解理，是重要的锂矿石矿物，1817年约翰·奥古斯特·阿弗维德森在研究透锂长石时发现了锂元素。宝石级透明透锂长石摩氏硬度约6至6.5，折射率约1.502至1.520，切磨成刻面石后以其清澈透明和柔和光泽受到稀有宝石收藏家喜爱。重要产地包括巴西（米纳斯吉拉斯州，世界最重要产地）、津巴布韦、美国（缅因州）、澳大利亚和纳米比亚。
What is the hardness of Petalite?
Petalite has a Mohs hardness of 6.0 to 6.5, making it moderate for use in jewelry.
What color is Petalite?
Petalite is primarily Various.
How much does Petalite cost?
Petalite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Petalite?
Petalite belongs to the Monoclinic crystal system.