> Minerals
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Arsenic
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| Pyrargyrite, Silver, Arsenic
Uranium Mine No. 19, Dubenec, Příbram, Central Bohemia Region, Bohemia, Czech Republic
Item-No.: 0300205 Price: 100.00 EUR
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Synonyms: |
Löffelkobalt, Native Arsenic |
Classification: |
Elements, Arsenic group |
Chemical formula: |
As |
Crystal system: |
Trigonal |
Density (g/cm3): |
5.63 - 5.78 |
Tenacity: |
Brittle |
Cleavage: |
Perfect, perfect basal on {0001}, fair on {0114} |
Fracture: |
Irregular/Uneven |
Hardness (Mohs): |
3,5 |
Colour: |
Tin-white, tarnishing to dark grey or black |
Lustre: |
Metallic, Dull |
Streak: |
Grey |
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