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 Hardness: 2.5 – 3.0
1 Soft10 Hard

Crystal System

a a a Trigonal (Rhombohedral) a = b = c, α = β = γ ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Pyrargyrite

Amazon Wide selection

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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.

Jewelry Use

Durability 1/10

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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.