Citation: Harlow, G. E. (1996). Structure refinement of a natural K-rich diopside: The effect of K on the average structure. American Mineralogist, 81, pp. 632-638.
Formula: Al0.029 Ca0.798 Cr0.071 Fe0.059 K0.073 Mg0.955 Na0.023 O6 Si1.992
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Ca4 Cr4 Fe8 K4 Mg8 Na4 O24 Si8 (Al3 Ca Cr Fe2 K Mg2 Na O6 Si2)
Multiplicity: 1