Citation: Knurr, R.A.; Bailey, S.W. (1986). Refinement of Mn-substituted muscovite and phlogopite. Clays and Clay Minerals (29,1981-), 34, pp. 7-16.
Formula: Al2.67 Fe0.15 H2 K0.94 Mg0.08 Mn0.02 Na0.06 O12 Si3.08
Chemical name: (K0.94 Na0.06) (Mg0.08 Al1.75 Fe0.15 Mn0.02) ((Al0.92 Si3.08) O10) (O H)2
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 Fe4 H4 Mg4 Mn4 O24 Si8 (Al3 Fe H Mg Mn O6 Si2)
Multiplicity: 1