Ge Hf O4 Durif A Acta Crystallographica 14 (1961) 312-312 Structure du germanate d'hafnium _cod_database_code 1007090 _database_code_amcsd 0009248 4.849 4.849 10.501 90 90 90 I4_1/a atom x y z Ge1 0 0 0 Hf1 0 0 .5