Citation: Takeda, H.; Haga, N.; Sadanaga, R. (1971). Structural investigation of polymorphic transition between 2M2-, 1M- lepidolite and 2M1 muscovite. Mineralogical Journal, 6, pp. 203-215.
Formula: Al2.01 F1.2 H0.8 K0.87 Li1.05 Na0.12 O10.4 Si3.39
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al14 F4 Li6 O24 Si8 (Al7 F2 Li3 O12 Si4)
Multiplicity: 1