Citation: Graf, D. L. (1961). Crystallographic tables for the rhombohedral carbonates Note: Disordered model. American Mineralogist, 46, pp. 1283-1316.
Formula: C Ca0.5 Mn0.5 O3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: C6 Ca6 Mn6 O18 (C Ca Mn O3)
Multiplicity: 1
Coordination sequences: