Medenbachite Krause W, Bernhardt H J, Gebert W, Graetsch H, Belendorff K, Petitjean K American Mineralogist 81 (1996) 505-512 Medenbachite, Bi2Fe(Cu,Fe)(O,OH)2(OH)2(AsO4)2, a new mineral species: Its description and crystal structure Sample: 8.0.376, single Bi atom model _database_code_amcsd 0001790 4.581 6.178 8.969 94.29 99.93 94.85 P-1 atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Bi .2077 .3114 .3917 .0815 .0287 .0275 .0213 -.0152 .0023 Fe1 0 0 0 .0197 .0205 .0297 .0009 .0019 .0095 Cu2 0 .5 0 .88 .0202 .0179 .0262 .0008 .0012 .0102 Fe2 0 .5 0 .12 .0202 .0179 .0262 .0008 .0012 .0102 As .5411 .7998 .2178 .0205 .0209 .0254 .0006 .0006 .0096 O1 .314 .565 .198 .0217 .020 .031 -.004 .002 .012 O2 .145 .742 .899 .009 .028 .034 -.005 -.003 .013 O3 .338 .012 .182 .025 .020 .037 .002 -.008 .004 O4 .245 .224 .916 .019 .021 .031 .002 .010 .004 O5 .277 .617 .541 .018 .032 .045 -.001 -.002 -.008 O6 .246 .139 .611 .033 .039 .025 .001 -.006 .009