Ferrocolumbite Structure Data

Ferrocolumbite Structure Data
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Ferrocolumbite

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Ferrocolumbite_1
Formula: (Nb.5 Ta.167 Fe.333) O2
Name: Ferrocolumbite
Unit cell: 14.221 5.727 5.102 90.0 90.0 90.0 , V=415.53
Space group: PBCN (60)

Wenger M , Armbruster T , Geiger C A , American Mineralogist , 76 (1991) p.1897-1904, Cation distribution in partially ordered columbite from the Kings Mountain, pegmatite, North Carolina, SAMPLE ncp1, T = 293 K

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