Citation: Shirozu, H.; Bailey, S. W. (1965). Chlorite polytypism: III. Crystal structure of an orthohexagonal iron chlorite. American Mineralogist, 50, pp. 868-885.
Formula: Al1.305 Fe1.71 H4 Mg0.645 O9 Si1.34
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al14 Fe6 Mg6 O24 Si8 (Al7 Fe3 Mg3 O12 Si4)
Multiplicity: 1
Formula: Al6 Fe6 Mg6 O12 (Al Fe Mg O2)