Aktashite Nowacki W Soviet Physics Crystallography 27 (1982) 26-27 Isotypy in aktashite Cu6Hg3As4S12 and nowackiite Cu6Zn3As4S12 Locality: not given _database_code_amcsd 0018891 13.730 13.730 9.329 90 90 120 R3 atom x y z Biso Cu1 .076 .2921 .0030 1.02 Cu2 .3915 .552 .0180 .98 Hg .310 .2263 .0081 1.93 As1 .5610 .178 .0000 .75 As2 0 0 .9808 .21 S1 .3729 .0899 .085 .45 S2 .4579 .428 .0660 .38 S3 .1186 .1561 .1079 .65 S4 .2036 .475 .0961 .54