AM_Alluaudite
Formula: Na.625 Mn1.125 Ca.125 Mg.049 Li.025 Fe1.976 P3 O12
Name: Alluaudite
Unit cell: 12.004 12.533 6.404 90.0 114.4 90.0 , V=877.40
Space group: C12/C1 (15)

Moore P B , American Mineralogist , 56 (1971) p.1955-1975, Crystal chemistry of the alluaudite structure type: Contribution to the, paragenesis of pegmatite phosphate giant crystals