AM_Taramellite_1 Formula: Ba (Fe.5 Ti.5) Si2 O7 Name: Taramellite Unit cell: 13.95 12.21 7.15 90.0 90.0 90.0 , V=1217.86 Space group: PMMN (59)

Mazzi F , Rossi G , Zeitschrift fur Kristallographie , 121 (1965) p.243-257, The crystal structure of taramellite Ba2(Fe,Ti,Mg)2H2(O2(Si4O12)), Locality: Fresno County, California, USA