Citation: Takeuchi, Y. (1958). A detailed investigation of the structure of hexagonal Ba Al2 Si2 O8 with reference to its alpha-beta inversion. Mineralogical Journal (Japan), 2, pp. 311-332.
Formula: Al2 Ba O8 Si2
Chemical name: Ba (Al Si O4)2
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al4 O14 Si4 (Al2 O7 Si2)
Multiplicity: 1