AM_Taramellite Formula: Ba4 (Fe3 Ti) Si8 B2 O29 Cl.89 Name: Taramellite Unit cell: 12.15 13.946 7.129 90.0 90.0 90.0 , V=1207.97 Space group: PMMN (59)

Mazzi F , Rossi G , American Mineralogist , 65 (1980) p.123-128, The crystal structure of taramellite, Locality: Candoglia, Italy