Al2 Ba O4 Wallmark S, Westgren A Arkiv for Kemi, Mineralogi och Geologi B12 (1937) 1-4 X-ray analysis of barium aluminates _cod_database_code 1010630 _database_code_amcsd 0017512 5.209 5.209 8.761 90 90 120 P6_322 atom x y z Ba1 0 0 .25 Al1 1/3 2/3 .05 O1 1/3 2/3 .25 O2 2/3 0 0