Citation: Moore, P. B.; Molin-Case J (1974). Contribution to pegmatite phosphate giant crystal paragenesis: II. The crystal chemistry of wyllieite, Na2Fe2Al[PO4]3, a primary phase. American Mineralogist, 59, pp. 280-290.
Formula: Al1.5 Ca0.5 Fe4 Mg0.5 Mn0.5 Na2.31 O24 P6
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 Ca4 Fe12 Mg4 Mn4 O48 P12 (Al Ca Fe3 Mg Mn O12 P3)
Multiplicity: 1