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Arsenopyrite II - Sulfides

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Name		Arsenopyrite
Chemistry		FeAsS
Hardness		5.5 - 6
Lustre		metallic
Colour		tin white to light steel grey
Streak		black
Density [g/cm3]		5.9 - 6.2
Crystal habit		monoclinic - prismatic
Cleavage, Fracture		[110] distinct
other characteristics and occurrences		prismatic, straited crystals, due to twinning often pseudorhombic associated with gold and cobalt in sulfur deposits, with tin, gold, silver and nickel in pegmatitic-pneutmatolytic deposits

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst

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