Citation: Griffen, D. T.; Ribbe, P. H.; Gibbs, G. V. (1977). The structure of slawsonite, a strontium analog of paracelsian. American Mineralogist, 62, pp. 31-35.
Formula: Al2 Ca0.13 O8 Si2 Sr0.87
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 O32 Si16 (Al O2 Si)
Multiplicity: 1
Coordination sequences: