Ga2 Mg O4 Barth T, Posnjak E Zeitschrift fur Kristallographie 82 (1932) 325-341 Spinel structures: with and without variate atom equipoints _cod_database_code 1010107 _database_code_amcsd 0017038 8.26 8.26 8.26 90 90 90 Fd3m atom x y z occ Ga1 0 0 0 Ga2 .625 .625 .625 .5 Mg1 .625 .625 .625 .5 O1 .392 .392 .392