Berthierite Buerger M J, Hahn T American Mineralogist 39 (1954) 319-319 The crystal structure of berthierite, FeSb2S4 _database_code_amcsd 0000064 11.44 14.12 3.76 90 90 90 Pnam atom x y z Fe .314 .335 .25 Sb1 .145 .064 .25 Sb2 .036 .385 .75 S1 .197 .272 .75 S2 .428 .186 .25 S3 .229 .494 .25 S4 .452 .405 .75