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: Al3.01 Ba0.07 Fe2.05 H2.26 K1.81 Mg3.33 Na0.12 O24 Si5.25 Ti0.36
Chemical name: (K1.81 Na0.12 Ba0.07) (Mg3.33 Fe2.05 Al0.26 Ti0.36) (Al2.75 Si5.25 O20) O1.74 (O H)2.26
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