AM_Ludlamite_1 Formula: Fe3 P2 O12 H8 Name: Ludlamite Unit cell: 10.541 4.646 9.324 90.0 100.43 90.0 , V=449.08 Space group: P121/A1 (14)

Abrahams S C , Bernstein J L , Journal of Chemical Physics , 44 (1966) p.2223-2229, Crystal structure of paramagnetic ludlamite, Fe3(PO4)2*4(H2O), at 298 K, Sample: T = 298 K