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: Tpq16-4A. American Mineralogist, 81, pp. 913-927.
Formula: Al0.72 F0.08 Fe0.69 H1.86 K0.99 Mg2.64 O11.92 Si2.92 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