Citation: Princivalle, F.; Martignago, F.; Dal Negro, A. (2006). Kinetics of cation ordering in natural Mg(Al,Cr3+)2O4 spinels Sample: Sc, annealed at T = 850 C, ordering, t = 0.25 m. American Mineralogist, 91, pp. 313-318.
Formula: Al1.541 Cr0.244 Mg1.215 O4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al24 Cr16 Mg24 O32 (Al3 Cr2 Mg3 O4)
Multiplicity: 1