Citation: Fischer, R. X.; Schneider, H. (2000). Crystal structure of Cr-mullite Sample: fixed slit, monochromatic. American Mineralogist, 85, pp. 1175-1179.
Formula: Al1.97 Cr0.25 O5.22 Si0.78
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al10 Cr2 O14 Si4 (Al5 Cr O7 Si2)
Multiplicity: 1