AM_Pyrophanite_9 Formula: (Ni.25 Mn.25 Zn.25 Mg.25) Ti O3 Name: Pyrophanite Unit cell: 5.077 5.077 13.9727 90.0 90.0 120.0 , V=311.91 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