Citation: Fischer, R.X.; Schneider, H.; Schmuecker, M. (1994). Crystal structure of Al-rich mullite. American Mineralogist, 79, pp. 983-990.
Formula: Al5.33 O9.33 Si0.67
Chemical name: Al5.33 Si0.67 O9.33
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al18 O28 Si8 (Al9 O14 Si4)
Multiplicity: 1
Coordination sequences: