AM_Haggertyite Formula: (Ba.69 K.31) Fe5.86 Ti5.42 Mg.72 O19 Name: Haggertyite Unit cell: 5.9369 5.9369 23.3445 90.0 90.0 120.0 , V=712.58 Space group: P63/MMC (194)

Grey I E , Velde D , Criddle A J , American Mineralogist , 83 (1998) p.1323-1329, Haggertyite, a new magnetoplumbite-type titanate mineral from the, Prairie Creek (Arkansas) lamproite