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Panasqueira Mine, Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal

Item-No.: MIN5440
Price: 75.00 EUR 

Synonyms:  Arsenical Iron, Arsenical Pyrites, Arsenomarcasite, Dalarnite, Plinian, Thalheimite
Classification:  Sulfides, Arsenopyrite Group
Chemical formula:  FeAsS
Crystal system:  Monoclinic
Density (g/cm3):  6,07 Measured - 6,18 Calculated
Tenacity:  Brittle
Cleavage:  Distinct/good,  distinct on {001}; {010} in traces
Fracture:  Irregular/Uneven
Hardness (Mohs):  5,5 - 6
Colour:  Silver-white to steel-gray, may have a slight yellow appearance
Lustre:  Metallic, Sub-Metallic
Streak:  Gray-black
Application:  The most important arsenic ore




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