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: Dul CSA mine, North Bohemian Basin, Czech Republic Sample: Natural As-marcasite _database_code_amcsd 0012727 4.449 5.432 3.391 90 90 90 Pnnm atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe 0 0 0 .0315 .0186 .0434 0 0 0 S .202 .380 0 .8 .0214 .0160 .0413 0 0 0 As .202 .380 0 .2 .0214 .0160 .0413 0 0 0