Citation: Wise, M. A.; Hawthorne, F. C.; Cerny, P. (1990). Crystal structure of Ca-rich beusite from the Yellowknife pegmatite field, Northwest Territories. The Canadian Mineralogist, 28, pp. 141-146.
Formula: Ca1.18 Fe0.9 Mn0.92 O8 P2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca8 Fe4 Mn4 O32 P8 (Ca2 Fe Mn O8 P2)
Multiplicity: 1
Coordination sequences: