Ferrocolumbite Tarantino S C, Zema M American Mineralogist 90 (2005) 1291-1300 Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution: A single-crystal X-ray diffraction study Sample: AMB n3 Qm=1 from Ambatofotsikely, Madagascar _database_code_amcsd 0003827 14.3267 5.7392 5.0674 90 90 90 Pbcn atom x y z occ Uiso FeA 0 .32531 .25 .462 .0081 MnA 0 .32531 .25 .476 .0081 ScA 0 .32531 .25 .045 .0081 TiA 0 .32531 .25 .012 .0081 SnA 0 .32531 .25 .004 .0081 CaA 0 .32531 .25 .001 .0081 NbB .162115 .17965 .74368 .903 .0060 TaB .162115 .17965 .74368 .043 .0060 TiB .162115 .17965 .74368 .052 .0060 WB .162115 .17965 .74368 .002 .0060 O1 .09742 .1025 .0641 .0068 O2 .08143 .3835 .5974 .0087 O3 .24383 .1239 .4138 .0069