Poitevinite Giester G, Lengauer C L, Redhammer G J The Canadian Mineralogist 32 (1994) 873-884 Characterization of the FeSO4.H2O - CuSO4.H2O solid solution series, and the nature of poitevinite, (Cu,Fe)SO4.H2O Sample: Fe-100 _database_code_amcsd 0005412 5.177 5.176 7.608 107.57 107.57 93.65 P-1 atom x y z Biso FeM1 0 0 0 .9 FeM2 .5 .5 .5 .9 S .596 .899 .248 .8 O1 .724 .815 .097 1.9 O2 .291 .827 .154 1.1 O3 .668 .204 .345 2.0 O4 .689 .765 .394 1.4 Wat .103 .392 .255 1.4