Citation: Winter, W.; Armbruster, T.; Lengauer, C. (1995). Crystal structure refinement of synthetic osumilite-type phases: BaMg2Al6Si9O30, SrMg2Al6Si9O30 and Mg2Al4Si11O30 Sample: CSr, SrMg2Al6Si9O30. European Journal of Mineralogy, 7, pp. 277-286.
Formula: Al5.82 Mg2 O30 Si9.18 Sr0.91
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al30 O60 Si24 (Al5 O10 Si4)
Multiplicity: 1
Coordination sequences: