Citation: Peacor, D. R.; Rouse, R. C.; Grew, E. S. (1999). The crystal structure of boralsilite and its relation to a family of boroaluminosilicates, sillimanite, and andalusite. American Mineralogist, 84, pp. 1152-1161.
Formula: Al8 B3 O18.525 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al32 B12 O76 Si4 (Al8 B3 O19 Si)
Multiplicity: 1
Coordination sequences: