Anorthoclase
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 6.5
Specific Gravity
2.56 – 2.62
Refractive Index
1.518 – 1.534
Crystal System
Monoclinic
Luster
Vitreous,Pearly
Fracture
Uneven,Conchoidal
Color
various
Birefringence
0.006
Pleochroism
Weak
Mohs Hardness
| Mohs | Reference mineral | Anorthoclase |
|---|---|---|
| 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 Anorthoclase
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 Anorthoclase
歪长石是钾钠长石固溶体中介于正长石和钠长石之间的成员，以其展现出蓝色至绿色月光效应（月光石效应）而著称。这种矿物产于火山岩中，形成清澈的晶体，经切割后展现出迷人的浮光效果。埃塞俄比亚是优质宝石级歪长石的重要来源之一。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Anorthoclase?
歪长石是钾钠长石固溶体中介于正长石和钠长石之间的成员，以其展现出蓝色至绿色月光效应（月光石效应）而著称。这种矿物产于火山岩中，形成清澈的晶体，经切割后展现出迷人的浮光效果。埃塞俄比亚是优质宝石级歪长石的重要来源之一。
What is the hardness of Anorthoclase?
Anorthoclase has a Mohs hardness of 6.0 to 6.5, making it moderate for use in jewelry.
What color is Anorthoclase?
Anorthoclase is primarily Various.
How much does Anorthoclase cost?
Anorthoclase falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Anorthoclase?
Anorthoclase belongs to the Monoclinic crystal system.