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: Tae23-1b. American Mineralogist, 81, pp. 913-927.
Formula: Al1.12 Ba0.01 Fe0.34 H1.82 K0.88 Mg2.61 Na0.05 O12 Si2.84 Ti0.09
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al8 Fe14 Mg6 O28 Si8 Ti6 (Al4 Fe7 Mg3 O14 Si4 Ti3)
Multiplicity: 1