Freibergite Rozhdestvenskaya I V, Zayakina N V, Samusikov V P Mineralogiceskij Zhurnal 15 (1993) 9-17 Crystal structure features of minerals from a series of tetrahedrite-freibergite Sample: 4 _database_code_amcsd 0014610 10.492 10.492 10.492 90 90 90 I-43m atom x y z occ Biso AgM2 .1919 0 0 2.16 CuM1 .25 .5 0 .7 1.36 ZnM1 .25 .5 0 .1 1.36 FeM1 .25 .5 0 .2 1.36 Sb .2700 .2700 .2700 .88 S1 .1202 .1202 .3654 .90 S2 0 0 0 .01 3.8