Citation: Oganov, A. P.; Price, G. D.; Brodholt, J. P. (2001). Theoretical investigation of metastable Al~2~SiO~5~ polymorphs. Acta Crystallographica Section A, 57, pp. 548-557.
Formula: Al2 O5 Si
Chemical name: Al2 (Si O4) O
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 O20 Si4 (Al2 O5 Si)
Multiplicity: 1
Coordination sequences: