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Pyrargyrite
Pyrargyrite
☒

Snowflake Obsidian
Snowflake Obsidian
☒



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Pyrargyrite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.85
Conchoidal, Uneven
Distinct on {10 1 1}, imperfect on {01 1 2}
2.5-3
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
2.33-2.50
Conchoidal
None
5-5.5
SiO2

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