AM_Babingtonite Formula: Ca2 Fe1.856 Si5 O15 Name: Babingtonite Unit cell: 7.509 11.697 6.719 91.433 93.886 104.255 , V=570.13 Space group: P-1 (2)

Araki T , Zoltai T , Zeitschrift fur Kristallographie , 135 (1972) p.355-373, Crystal structure of babingtonite, Locality: Yakuki mine, Japan