Citation: Araki, T.; Moore, P. B. (1981). Fillowite, Na2Ca(Mn,Fe)7(PO4)6: Its crystal structure. American Mineralogist, 66, pp. 827-842.
Formula: Ca4.66 Fe8.02 Mn35.6 Na11.72 O144 P36
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca3 Fe30 Mn120 O432 P108 (Ca Fe10 Mn40 O144 P36)
Multiplicity: 1