Citation: Grey, I. E.; Kampf, A. R.; Smith, J. B.; MacRae, C. M.; Keck, E. (2019). Fanfaniite, Ca4Mn2+Al4(PO4)6(OH,F)4*12H2O, a new mineral with a montgomeryite-type structure. European Journal of Mineralogy, 31, pp. 647-652.
Formula: Al1.96 Ca2 Fe0.1 H10 Mg0.06 Mn0.38 O20 P3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 Fe8 H8 Mg4 Mn4 O64 P12 (Al2 Fe2 H2 Mg Mn O16 P3)
Multiplicity: 1