Citation: Fischer, R. X.; Schneider, H.; Schmucker, M. (1994). Crystal structure of Al-rich mullite. American Mineralogist, 79, pp. 983-990.
Formula: Al2.826 O4.588 Si0.174
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al14 O12 Si4 (Al7 O6 Si2)
Multiplicity: 1
Coordination sequences: