Citation: Taylor, W H (1928). The structure of sillimanite and mullite.. Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,Kristallchemie (-144,1977), 68, pp. 503-521.
Formula: Al2 O5 Si
Chemical name: Dialuminium silicate oxide
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: