AM_Bixbyite
Formula: (Fe.034 Mn1.966) O3
Name: Bixbyite
Unit cell: 9.4146 9.4146 9.4146 90.0 90.0 90.0 , V=834.46
Space group: IA3 (206)

Geller S , Acta Crystallographica, Section B , 27 (1971) p.821-828, Structures of alpha-Mn203, (MnO.983Fe0.017)203 and (Mn0.37Fe0.63)2O3, and relation to magnetic ordering, Sample: (MnO.983Fe0.017)203