Citation: Shi, N.; Ma, Z.; Li, G.; Yamnova, M. A.; Pushcharovsky, D. Y. (1998). Structure Refinement of Monoclinic Astrophyllite. Acta Crystallographica Section B, 54, pp. 109-114.
Formula: Fe4 H4 K2 Mg2 Na2 O30 Si8 Ti2
List type: noninterleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: Fe12 H8 K2 Mg12 Na2 O60 Si16 Ti4 (Fe6 H4 K Mg6 Na O30 Si8 Ti2)
Multiplicity: 1