Citation: Brigatti, M. F.; Lugli, C.; Poppi, L.; Foord, E. E.; Kile, D. E. (2000). Crystal chemical variations in Li- and Fe-rich micas from Pikes Peak batholith (central Colorado) Sample: 55b. American Mineralogist, 85, pp. 1275-1286.
Formula: Al1.649 F1.534 Fe0.608 H0.24 K0.956 Li1.222 Mg0.005 Mn0.045 Na0.011 O10.466 Rb0.023 Si3.412
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 F4 Fe4 Li6 Mg2 Mn2 O28 Si8 (Al6 F2 Fe2 Li3 Mg Mn O14 Si4)
Multiplicity: 1