Citation: Gualtieri, Alessandro F.; Ferrari, Simone; Leoni, Matteo; Grathoff, Georg; Hugo, Richard; Shatnawi, Mouath; Paglia, Gianluca; Billinge, Simon (2008). Structural characterization of the clay mineral illite-1M. Journal of Applied Crystallography, 41, pp. 402-415.
Formula: Al2.34 Ca0.02 Fe0.02 H4 K0.78 Mg0.34 Na0.02 O12 On Si3.35
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 Mg4 O24 Si8 (Al3 Mg O6 Si2)
Multiplicity: 1