Cassiterite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 7.0
Specific Gravity
6.86 – 7.03
Refractive Index
1.99 – 2.105
Crystal System
Tetragonal
Cleavage
Indistinct
Fracture
Conchoidal
Color
various
Birefringence
0.096
Dispersion
0.071
Pleochroism
Weak to strong; green-yellow, brown, red-brown
Mohs Hardness
| Mohs | Reference mineral | Cassiterite |
|---|---|---|
| 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 Cassiterite
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 Cassiterite
锡石是最重要的锡矿石矿物，以其高密度和金刚光泽著称。颜色从黄棕色、红棕色至黑色不等，宝石级透明锡石折射率极高，色散值超过钻石，具有极强的火彩效果。玻利维亚、中国、印度尼西亚和巴西是世界上最重要的锡石产地，透明宝石级锡石主要用于收藏。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Cassiterite?
锡石是最重要的锡矿石矿物，以其高密度和金刚光泽著称。颜色从黄棕色、红棕色至黑色不等，宝石级透明锡石折射率极高，色散值超过钻石，具有极强的火彩效果。玻利维亚、中国、印度尼西亚和巴西是世界上最重要的锡石产地，透明宝石级锡石主要用于收藏。
What is the hardness of Cassiterite?
Cassiterite has a Mohs hardness of 6.0 to 7.0, making it moderate for use in jewelry.
What color is Cassiterite?
Cassiterite is primarily Various.
How much does Cassiterite cost?
Cassiterite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Cassiterite?
Cassiterite belongs to the Tetragonal crystal system.