Pyrargyrite
Pyrargyrite
Item-No.: MINS1302 Price: 18.00 EUR
Březové Hory, Příbram, Czech Republic
| 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 |