Citation: Ma, Z.-S.; Li, G.-W.; Zhou, H.-Y.; Shi, N.-C.; Pushcharovskii, D.Yu.; Ye, D.-I. (2001). Structure refinement of astrophyllite. Science in China Series D, 44, pp. 508-516.
Formula: Fe6.314 H4 K1.875 Na O31 Si8 Ti2
Chemical name:Fe6.314 K1.875 Na (Ti2 Si8 O24) (O3 (O H)4)