Arsenic

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Arsenic
Uranium Mine No. 19, Dubenec, Příbram, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: 0300265
Price: 30.00 EUR 
Pyrargyrite, Silver, Arsenic
Uranium Mine No. 19, Dubenec, Příbram, Central Bohemia Region, Bohemia, Czech Republic

Item-No.: 0300205
Price: 100.00 EUR 

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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