Ag3 O4 P Wyckoff R American Journal of Science 10 (1925) 107-118 Crystal structure of silver phosphate and silver arsenate (Ag3 X O4) _cod_database_code 1010605 _database_code_amcsd 0017488 6. 6. 6. 90 90 90 P-43n atom x y z Ag1 0 .5 .25 P1 0 0 0