Hercynite Verwey E J W, Heilmann E L Journal of Chemical Physics 15 (1947) 174-180 Physical properties and cation arrangement of oxides with spinel structures Locality: synthetic _database_code_amcsd 0012952 8.273 8.273 8.273 90 90 90 Fd3m atom x y z occ AlB .625 .625 .625 .5 Fe3+B .625 .625 .625 .5 Fe2+A 0 0 0 O .385 .385 .385