Pyrargyrite
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Physical & Optical Properties
Category
Collector Gems
Mohs Hardness
2,5 – 3,0
Specific Gravity
5,85
Refractive Index
2,881 – 3,084
Crystal System
Trigonal
Cleavage
Indistinct
Fracture
Conchoidal
Color
various
Birefringence
0,203
Pleochroism
Strong
Mohs Hardness
| Mohs | Reference mineral | Pyrargyrite |
|---|---|---|
| 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
Budget (< $50/ct)
Where to Buy Pyrargyrite
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About Pyrargyrite
Pyrargyrite, or Dark Ruby Silver, is a deep ruby-red to black silver sulfosalt mineral with an adamantine to metallic luster and striking translucency in thin fragments. It occurs in hydrothermal silver veins alongside other silver minerals and has been an important ore of silver in deposits in Germany, Bolivia, Mexico, and Canada. Perfect prismatic crystals are among the most sought-after red mineral collector specimens.
On this page
Jewelry Use
Durability
1/10
Science FYI Family
Frequently Asked Questions
What is Pyrargyrite?
Pyrargyrite, or Dark Ruby Silver, is a deep ruby-red to black silver sulfosalt mineral with an adamantine to metallic luster and striking translucency in thin fragments. It occurs in hydrothermal silver veins alongside other silver minerals and has been an important ore of silver in deposits in Germ
What is the hardness of Pyrargyrite?
Pyrargyrite has a Mohs hardness of 2.5 to 3.0, making it relatively soft for use in jewelry.
What color is Pyrargyrite?
Pyrargyrite is primarily Various.
How much does Pyrargyrite cost?
Pyrargyrite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Pyrargyrite?
Pyrargyrite belongs to the Trigonal crystal system.