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: Al1.33 F0.1 Fe0.17 H1.9 K0.86 Mg2.52 Mn0.13 Na0.1 O11.9 Si2.8
Chemical name: (K.86 Na.1) (Mg2.52 Mn.13 Al.13 Fe.17) (Al1.2 Si2.8) O10 F.1 (O H)1.9
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al14 F4 Fe6 H4 Mg6 Mn6 O24 Si8 (Al7 F2 Fe3 H2 Mg3 Mn3 O12 Si4)
Multiplicity: 1