Citation: Brigatti, M. F.; Poppi, L. (1993). Crystal chemistry of Ba-rich trioctahedral micas-1M Sample: 27. European Journal of Mineralogy, 5, pp. 857-871.
Formula: Al1.997 Ba0.543 Ca0.01 F0.714 Fe0.272 H1.286 K0.408 Mg2.533 Mn0.004 Na0.039 O11.286 Si2.168 Ti0.026
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al14 F4 Fe6 Mg6 Mn6 O24 Si8 Ti6 (Al7 F2 Fe3 Mg3 Mn3 O12 Si4 Ti3)
Multiplicity: 1