Citation: Guggenheim, S.; Bailey, S. W. (1975). Refinement of the margarite structure in subgroup symmetry. American Mineralogist, 60, pp. 1023-1029.
Formula: Al4 Ca H2 O12 Si2
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al12 H4 O24 Si8 (Al3 H O6 Si2)
Multiplicity: 1