Dallasite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.5 – 7.0
Specific Gravity
2.58 – 2.91
Refractive Index
1.54
Crystal System
Trigonal
Color
various
Birefringence
0.008
Mohs Hardness
| Mohs | Reference mineral | Dallasite |
|---|---|---|
| 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 Dallasite
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 Dallasite
达拉斯石是一种产于加拿大不列颠哥伦比亚省维多利亚地区的独特斑状玉髓宝石，以绿色基底中镶嵌白色或灰色斑点的图案著称。这种岩石是由蛇纹石和石英等矿物混合而成的多矿物集合体，色彩对比鲜明，纹理独特。达拉斯石因产地极为局限，在宝石市场上具有一定的稀缺性，常被切磨成弧面型或雕刻成各种装饰品。
On this page
Jewelry Use
Durability
6/10
Science FYI Family
Frequently Asked Questions
What is Dallasite?
达拉斯石是一种产于加拿大不列颠哥伦比亚省维多利亚地区的独特斑状玉髓宝石，以绿色基底中镶嵌白色或灰色斑点的图案著称。这种岩石是由蛇纹石和石英等矿物混合而成的多矿物集合体，色彩对比鲜明，纹理独特。达拉斯石因产地极为局限，在宝石市场上具有一定的稀缺性，常被切磨成弧面型或雕刻成各种装饰品。
What is the hardness of Dallasite?
Dallasite has a Mohs hardness of 6.5 to 7.0, making it moderate for use in jewelry.
What color is Dallasite?
Dallasite is primarily Various.
How much does Dallasite cost?
Dallasite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Dallasite?
Dallasite belongs to the Trigonal crystal system.