Citation: Guggenheim, S. (1981). Cation ordering in lepidolite Tanakamiyama. American Mineralogist, 66, pp. 1221-1232.
Formula: Al1.128 F H K Li2 O11 Si3.868
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al10 F4 O24 Si8 (Al5 F2 O12 Si4)
Multiplicity: 1