Citation: Meagher, E. P. (1976). The atomic arrangement of pellyite: Ba2Ca(Fe,Mg)2Si6O17. American Mineralogist, 61, pp. 67-73.
Formula: Al0.2 Ba2 Ca Fe1.48 Mg0.22 Mn0.18 O17 Si5.8 Zn0.12
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Fe8 Mg8 Mn8 O68 Si24 Zn8 (Al4 Fe2 Mg2 Mn2 O17 Si6 Zn2)
Multiplicity: 1