Citation: de Pieri, R.; Quareni, S.; Hall, K.M. (1977). Refinement of the structure of low and high hyalophanes. Acta Crystallographica B (24,1968-38,1982), 33, pp. 3073-3076.
Formula: Al1.42 Ba0.4 K0.6 O8 Si2.58
Chemical name: K.6 Ba.4 Al1.42 Si2.58 O8
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: