Trigodomeykite Steenberg B Arkiv for Kemi, Mineralogi och Geologi A12 (1938) 1-15 The crystal structure of Cu3As and Cu3P Locality: synthetic _database_code_amcsd 0017898 7.088 7.088 7.232 90 90 120 P-3c1 atom x y z Cu1 0 0 0 Cu2 1/3 2/3 .15 Cu3 .68 .07 .08 As 1/3 0 .25