Marcasite Rieder M, Crelling J C, Sustai O, Drabek M, Weiss Z, Klementova M International Journal of Coal Geology 71 (2007) 115-121 Arsenic in iron disulfides in a brown coal from the North Bohemian Basin, Czech Republic Locality: synthetic Sample: As-free marcasite _database_code_amcsd 0012726 4.4446 5.4246 3.3864 90 90 90 Pnnm atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe 0 0 0 .0211 .0139 .0366 0 0 0 S .2004 .3787 0 .0180 .0111 .0348 0 0 0