(Ni.45Mg.55)10Ge3O16 Fleet M E, Barbier J Acta Crystallographica B45 (1989) 201-205 Structure of aerugite (Ni8.5As3O16) and interrelated arsenate and germanate structural series _database_code_amcsd 0009829 10.1250 10.1250 10.1250 33.790 33.790 33.790 R-3m atom x y z occ Biso Ni1 .5 .5 .5 .345 .312 Mg1 .5 .5 .5 .655 .312 Ni2 0 .5 .5 .552 .257 Mg2 0 .5 .5 .448 .257 Ni3 .75735 .24897 .24897 .422 .293 Mg3 .75735 .24897 .24897 .578 .293 Gel 0 0 0 .208 Ge2 .18915 .18915 .18915 .222 O1 .12717 .12717 .12717 .416 O2 .37637 .37637 .37637 .382 O3 .65943 .11284 .11284 .397 O4 .12209 .62598 .62598 .389