AM_Fe3(H2O)[PO4]2
Formula: Fe3 P2 O9 H2
Name: Fe3(H2O)[PO4]2
Unit cell: 9.431 10.066 8.04 90.0 117.6 90.0 , V=676.40
Space group: P121/A1 (14)

Moore P B , Araki T , American Mineralogist , 60 (1975) p.454-459, The Fe3(H2O)n[PO4]2 homologous series. II. The crystal structure of, Fe3(H2O)[PO4]2