Citation: Brigatti, M.F.; Poppi, L. (1993). Crystal chemistry of a Ba-rich trioctahedral micas-1M. European Journal of Mineralogy (1,1989-), 5, pp. 856-871.
Formula: Al3.32 Ba0.23 Fe2.01 H2.95 K1.77 Mg3.16 O24 Si5.17 Ti0.34
Chemical name: (K1.77 Ba0.23) (Mg3.16 Fe2.01 Al0.49 Ti0.34) (Al2.83 Si5.17 O20) O1.05 (O H)2.95
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al14 Fe6 Mg6 O24 Si8 Ti6 (Al7 Fe3 Mg3 O12 Si4 Ti3)
Multiplicity: 1