Citation: Rieder, M.; Hybler, J.; Smrcok, L.; Weiss, Z. (1996). Refinement of the crystal structure of zinnwaldite 2M_1. European Journal of Mineralogy, 8, pp. 1241-1248.
Formula: Al1.79 F0.91 Fe1.334 H1.09 K0.978 Li0.486 O11.09 Si3.11
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al10 F4 Fe6 Li4 O24 Si8 (Al5 F2 Fe3 Li2 O12 Si4)
Multiplicity: 1