Diaspore 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 1008769 _database_code_amcsd 0016646 4.4031 9.4252 2.8452 90 90 90 Pbnm atom x y z Al1 .045 .8549 .25 O1 .713 .199 .25 O2 .2 .0537 .25