Citation: Swanson, T. H.; Bailey, S. W. (1981). Redetermination of the lepidolite-2M_1 structure. Clays and Clay Minerals, 29, pp. 81-90.
Formula: Al1.16 F1.52 Fe0.02 H0.48 K Li1.63 Mg0.12 O10.48 Si4
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al4 F4 Fe4 Li4 Mg4 O24 Si8 (Al F Fe Li Mg O6 Si2)
Multiplicity: 1