Citation: Tait, K. T.; Hawthorne, F. C.; Wise, M. A. (2013). The crystal chemistry of the graftonite-beusite minerals Notes: Sample B7 Note: O7 y-coordinate edited by author. The Canadian Mineralogist, 51, pp. 653-662.
Formula: Ca0.37 Fe1.51 Mg0.11 Mn1.01 O8 P2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca4 Fe8 Mg4 Mn8 O32 P8 (Ca Fe2 Mg Mn2 O8 P2)
Multiplicity: 1