AM_Banalsite_2 Formula: Ba Na2 (Al4 Si4) O16 Name: Banalsite Unit cell: 8.496 9.983 16.755 90.0 90.0 90.0 , V=1421.08 Space group: IBAM (72)

Takeuchi Y , Kudoh Y , Haga N , Zeitschrift fur Kristallographie , 138 (1973) p.313-336, The interpretation of partial Patterson functions and its application to, structure analyses of serandite Mn2NaHSi3O9 and banalsite BaNa2Al4Si4O16