Dyscrasite Peacock M, Berry L University of Toronto Studies, Geological Series 44 (1940) 47-69 Roentgenographic observations on ore minerals _cod_database_code 1011092 _database_code_amcsd 0017988 2.990 5.225 4.820 90 90 90 Pm2m atom x y z Sb1 0 0 0 Ag1 .5 .5 0 Ag2 0 .65 .5 Ag3 .5 .17 .5