Cooperite Bannister F, Hey M Mineralogical Magazine 23 (1932) 188-206 Determination of minerals in platinum concentrates from the transvall by x-ray methods. _cod_database_code 1011334 _database_code_amcsd 0018175 3.47 3.47 6.1 90 90 90 P4_2/mmc atom x y z Pt1 0 .5 0 S1 0 0 .25