Citation: Piilonen, P. C.; McDonald, A. M.; Lalonde, A. E. (2003). Insights into astrophyllite-group minerals II: Crystal chemistry Sample: RUS8, nepheline syenite pegmatite. The Canadian Mineralogist, 41, pp. 27-54.
Formula: Ca0.209 F0.5 Fe3.971 H4 K1.8 Mg0.421 Mn1.8 Na0.691 O30 Si8 Ti1.916 Zr0.084
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: F Fe5 Mg3 Mn2 Na2 O30 Si8 Ti2 Zr2 (F Fe5 Mg3 Mn2 Na2 O30 Si8 Ti2 Zr2)
Multiplicity: 1