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: 130(2). American Mineralogist, 85, pp. 1275-1286.
Formula: Al1.69 Ca0.006 F1.544 Fe0.484 H0.186 K0.964 Li1.093 Mg0.022 Mn0.062 Na0.016 O10.456 Si3.328
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 F4 Fe4 Li4 Mg2 Mn2 O28 Si8 (Al6 F2 Fe2 Li2 Mg Mn O14 Si4)
Multiplicity: 1