AM_Pyrite_6 Formula: Fe (S1.974 As.026) Name: Pyrite Unit cell: 5.428 5.428 5.428 90.0 90.0 90.0 , V=159.93 Space group: PA3 (205)

Rieder M , Crelling J C , Sustai O , Drabek M , Weiss Z , Klementova M , International Journal of Coal Geology , 71 (2007) p.115-121, Arsenic in iron disulfides in a brown coal from the North Bohemian Basin,, Czech Republic, Locality: synthetic, Sample: As-pyrite