AM_Hibonite
Formula: Ca.85 Ce.06 La.03 Nd.01 Mg.53 Al10.66 Fe.3 Si.06 Ti.5 O19
Name: Hibonite
Unit cell: 5.613 5.613 22.285 90.0 90.0 120.0 , V=608.04
Space group: P63/MMC (194)

Bermanec V , Holtstam D , Sturman D , Criddle A J , Back M E , Scavnicar S , The Canadian Mineralogist , 34 (1996) p.1287-1297, Nezilovite, a new member of the magnetoplumbite group, and the crystal, chemistry of mognetoplumbite and hibonite