AM_Henrymeyerite Formula: (Ba.86 Na.09 K.01 La.02 Ce.02) Ti3.44 Fe.52 O8 Name: Henrymeyerite Unit cell: 10.219 10.219 2.963 90.0 90.0 90.0 , V=309.42 Space group: I14/M1 (1)

Mitchell R H , Yakovenchuk V N , Chakhmouradian A R , Burns P C , Pakhomovsky Y A , The Canadian Mineralogist , 38 (2000) p.617-626, Henrymeyerite, a new hollandite-type Ba-Fe titanate from the, Kovdor Complex, Russia, Locality: Kovdor Complex, Russia