Citation: Brigatti, M. F.; Poppi, L. (1993). Crystal chemistry of Ba-rich trioctahedral micas-1M Sample: 21. European Journal of Mineralogy, 5, pp. 857-871.
Formula: Al1.457 Ba0.032 F0.165 Fe0.695 H1.265 K0.919 Mg1.997 Mn0.004 Na0.049 O11.835 Si2.68 Ti0.166
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al14 F4 Fe6 Mg6 Mn6 O28 Si8 Ti6 (Al7 F2 Fe3 Mg3 Mn3 O14 Si4 Ti3)
Multiplicity: 1