AM_Hematite Formula: Fe2 O3 Name: Hematite Unit cell: 5.038 5.038 13.772 90.0 90.0 120.0 , V=302.72 Space group: R-3C (167)

Blake R L , Hessevick R E , Zoltai T , Finger L W , American Mineralogist , 51 (1966) p.123-129, Refinement of the hematite structure