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 1008767 _database_code_amcsd 0016644 4.6158 9.9545 3.0233 90 90 90 Pbnm atom x y z Fe1 .0479 .8542 .75 O1 .708 .1988 .75 O2 .197 .0527 .75