Citation: Brigatti, M. F.; Medici, L.; Saccani, E.; Vaccaro, C. (1996). Crystal chemistry and petrologic significance of Fe3+-rich phlogopite from the Tapira carbonatite complex, Brazil Sample: Tas27-2Bb. American Mineralogist, 81, pp. 913-927.
Formula: Al1.04 Ba0.01 F0.04 Fe0.39 H1.8 K0.96 Mg2.67 Na0.03 O11.96 Si2.84 Ti0.06
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