Pyrite Schmid-Beurmann P, Lottermoser W Physics and Chemistry of Minerals 19 (1993) 571-577 57Fe-Moessbauer spectra, electronic and crystal structure of members of the CuS2-FeS2 solid solution series _database_code_amcsd 0007753 5.5624 5.5624 5.5624 90 90 90 Pa3 atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Fe 0 0 0 .40 .0063 .0063 .0063 -.003 -.003 -.003 Cu 0 0 0 .60 .0063 .0063 .0063 -.003 -.003 -.003 S .3906 .3906 .3906 .0066 .0066 .0066 -.0014 -.0014 -.0014