AM_Geikielite_3 Formula: (Ni.5 Mg.5) Ti O3 Name: Geikielite Unit cell: 5.0418 5.0418 13.8494 90.0 90.0 120.0 , V=304.88 Space group: R11-3 (1)

Liferovich R P , Mitchell R H , Physics and Chemistry of Minerals , 32 (2005) p.442-449, Rhombohedral ilmenite group nickel titanates with Zn, Mg, and Mn:, synthesis and crystal structures