Diaspore
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.5 – 7.0
Specific Gravity
3.3 – 3.4
Refractive Index
1.702 – 1.75
Crystal System
Orthorhombic
Cleavage
Perfect
Color
various
Birefringence
0.048
Mohs Hardness
| Mohs | Reference mineral | Diaspore |
|---|---|---|
| 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 Diaspore
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 Diaspore
硬水铝石是一种含水氧化铝矿物，以其显著的变色效应而备受宝石爱好者关注。在日光下呈现绿色至黄绿色，在白炽灯下则转变为粉红至紫红色，颜色变化令人印象深刻。土耳其是优质宝石级硬水铝石的主要产地，当地出产的硬水铝石商品名为'赞色石'（Zultanite），以其独特的变色效果在珠宝市场上颇受欢迎。
On this page
Jewelry Use
Durability
6/10
Science FYI Family
Frequently Asked Questions
What is Diaspore?
硬水铝石是一种含水氧化铝矿物，以其显著的变色效应而备受宝石爱好者关注。在日光下呈现绿色至黄绿色，在白炽灯下则转变为粉红至紫红色，颜色变化令人印象深刻。土耳其是优质宝石级硬水铝石的主要产地，当地出产的硬水铝石商品名为'赞色石'（Zultanite），以其独特的变色效果在珠宝市场上颇受欢迎。
What is the hardness of Diaspore?
Diaspore has a Mohs hardness of 6.5 to 7.0, making it moderate for use in jewelry.
What color is Diaspore?
Diaspore is primarily Various.
How much does Diaspore cost?
Diaspore falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Diaspore?
Diaspore belongs to the Orthorhombic crystal system.