AM_Na1265Mn3475(PO4)3 Formula: Na2.119 Mn6.95 P6 O24 Name: Na1.265Mn3.475(PO4)3 Unit cell: 6.5291 12.653 10.952 90.0 97.18 90.0 , V=897.68 Space group: P121/C1 (14)

Yakubovich O V , Massa W , Gavrilenko P G , Dimitrova O V , European Journal of Mineralogy , 17 (2005) p.741-747, The crystal structure of a new synthetic member in the, wyllieite group: Na1.265Mn2+2.690Mn3+0.785(PO4)3, Note: Uiso s for Mn2 and Mn3 corrected by authors