Citation: Griffen, D. T.; Ribbe, P. H. (1976). Refinement of the crystal structure of celsian. American Mineralogist, 61, pp. 414-418.
Formula: Al2 Ba O8 Si2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al32 O64 Si32 (Al O2 Si)
Multiplicity: 1
Coordination sequences: