Pyrargyrite

Pyrargyrite


Březové Hory, Příbram, Czech Republic

Item-No.: MINS1302
Price: 18.00 EUR 

Synonyms:  Aerosite, Antimonial Silver Blende, Dark Red Silver Ore, Argyrythrose, Antimonial Red Silver, Red Silver Ore
Classification:  Sulfides, Proustite Group
Chemical formula:  Ag3SbS3
Crystal system:  Trigonal
Density (g/cm3):  5,855
Tenacity:  Brittle
Cleavage:  Distinct on {1011} very imperfect on {0112}
Fracture:  Irregular/Uneven, Conchoidal
Hardness (Mohs):  2,5
Colour:  Deep red or red gray, darkens with exposure to light
Lustre:  Adamantine
Streak:  Purplish red
Application:  Importat silver ore