Citation: Yamnova, N.A.; Egorov-Tismenko, Yu.K.; Zlykhenskaya, I.V.; Khomyakov, A.R. (2000). Refined crystal structure of iron-rich triclinic astrophyllite. Kristallografiya, 45, pp. 642-648.
Formula: Ca0.38 F0.6 Fe5.36 H4.4 K1.97 Mg0.64 Mn0.52 Na1.13 O30.4 Si8 Ti2
Chemical name: (Na1.03 K1.97) Fe (Fe Mn0.52 Ca0.38 Na0.1) (Fe3.36 Mg0.64) Ti2 (Si8 O26) (O H)4 (F0.6 (O H)0.4)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca4 F2 Fe16 H8 Mg8 Mn4 Na4 O62 Si16 Ti4 (Ca2 F Fe8 H4 Mg4 Mn2 Na2 O31 Si8 Ti2)
Multiplicity: 1