Citation: Guggenheim, S.; Bailey, S. W. (1978). Refinement of the margarite structure in subgroup symmetry: correction, further refinement, and comments. American Mineralogist, 63, pp. 186-187.
Formula: Al4 Ca H2 O12 Si2
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 O24 Si8 (Al3 O6 Si2)
Multiplicity: 1