Berthierite Buerger M J, Hahn T American Mineralogist 40 (1955) 226-238 The crystal structure of berthierite, FeSb2S4 _database_code_amcsd 0000069 11.44 14.12 3.76 90 90 90 Pnam atom x y z Sb1 .145 .062 .25 Sb2 .037 .386 .75 Fe .316 .334 .25 S1 .195 .272 .75 S2 .424 .184 .25 S3 .226 .492 .25 S4 .451 .405 .75