Tetrahedrite Makovicky E, Skinner B J The Canadian Mineralogist 17 (1979) 619-634 Studies of the sulfosalts of copper VII. Crystal structures of the exolution products Cu12.3Sb4S13 and Cu13.8Sb4S13 of unsubstituted synthetic tetrahedrite Sample: Cu-poor tetrahedrite Cu12.3Sb4S13 Locality: synthetic _database_code_amcsd 0005171 10.323 10.323 10.323 90 90 90 I-43m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Cu1 .25 .5 0 .9 2.59 .0072 .0055 .0055 0 0 0 Cu2 .2180 0 0 6.34 .0062 .0192 .0192 0 0 -.0118 S1 .1144 .1144 .3635 .99 1.49 .0037 .0037 .0031 -.0004 .0002 .0002 S2 0 0 0 .89 2.09 .0049 .0049 .0049 0 0 0 Sb .2683 .2683 .2683 1.38 .0032 .0032 .0032 -.0003 -.0003 -.0003