Goethite Hazemann J, Berar J, Manceau A Materials Science Forum 79 (1991) 821-826 Rietveld studies of the aluminium-iron substitution in synthetic goethite _cod_database_code 1008768 _database_code_amcsd 0016645 4.6048 9.9595 3.023 90 90 90 Pbnm atom x y z Fe1 .0477 .8539 .25 O1 .708 .1996 .25 O2 .204 .0531 .25