AM_Beusite_1 Formula: Ca1.18 Fe.9 Mn.92 P2 O8 Name: Beusite Unit cell: 8.797 11.758 6.17 90.0 99.31 90.0 , V=629.79 Space group: P121/C1 (14)

Wise M A , Hawthorne F C , Cerny P , The Canadian Mineralogist , 28 (1990) p.141-146, Crystal structure of Ca-rich beusite from the Yellowknife pegmatite field,, Northwest Territories, Locality: Yellowknife pegmatite field, Northwest Territories, Canada