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: Ta9, ferroan. The Canadian Mineralogist, 39, pp. 1333-1345.
Formula: Al0.92 Ba0.02 F0.02 Fe1.22 H1.82 K0.98 Mg1.74 Mn0.03 O11.98 Si3 Ti0.09
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al8 F4 Fe14 Mg6 Mn6 O28 Si8 Ti6 (Al4 F2 Fe7 Mg3 Mn3 O14 Si4 Ti3)
Multiplicity: 1