Citation: Hazen, R. M.; Burnham, C. W. (1973). The crystal structures of one-layer phlogopite and annite. American Mineralogist, 58, pp. 889-900.
Formula: Al1.282 Ca0.03 Cl0.05 F0.22 Fe2.43 H1.38 K0.88 Mg0.12 Mn0.03 Na0.07 O11.73 Si2.808 Ti0.21
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al14 Cl4 F4 Fe6 Mg6 Mn6 O28 Si8 Ti6 (Al7 Cl2 F2 Fe3 Mg3 Mn3 O14 Si4 Ti3)
Multiplicity: 1