AM_Geikielite_2 Formula: (Ni.333 Zn.333 Mg.333) Ti O3 Name: Geikielite Unit cell: 5.0544 5.0544 13.8737 90.0 90.0 120.0 , V=306.95 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