Citation: Brigatti, M. F.; Medici, L.; Poppi, L.; Vaccaro, C. (2001). Crystal chemistry of trioctahedral micas - 1M from the Alto Paranaiba Igneous Province, Southeastern Brazil Sample: Li12a, ferroan. The Canadian Mineralogist, 39, pp. 1333-1345.
Formula: Al0.92 F0.18 Fe0.53 H1.72 K0.95 Mg2.52 Na0.04 O11.82 Si3 Ti0.03
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al8 F4 Fe14 Mg6 O28 Si8 Ti6 (Al4 F2 Fe7 Mg3 O14 Si4 Ti3)
Multiplicity: 1