Citation: Piilonen, P. C.; McDonald, A. M.; Lalonde, A. E. (2003). Insights into astrophyllite-group minerals II: Crystal chemistry Sample: MSH33a. The Canadian Mineralogist, 41, pp. 27-54.
Formula: Ca0.14 F0.5 Fe4.266 H8 K1.74 Mg0.062 Mn2 Na0.62 O30 Si8 Ti0.924 Zr1.076
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: F Fe5 H4 Mg Mn2 O30 Si8 Ti2 Zr2 (F Fe5 H4 Mg Mn2 O30 Si8 Ti2 Zr2)
Multiplicity: 1