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: Ma1, titanian. The Canadian Mineralogist, 39, pp. 1333-1345.
Formula: Al1.04 Ba0.01 F0.92 Fe2.14 H0.86 K0.97 Mg2.74 Na0.02 O11.08 Si2.96 Ti2.11
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al8 F4 Fe6 Mg6 O28 Si8 Ti6 (Al4 F2 Fe3 Mg3 O14 Si4 Ti3)
Multiplicity: 1