Fe4 (O H)3 (P O4)3

Fe₄H₃O₁₅P₃

Torardi, C.C.Reiff, W.M.Takacs, L.

Journal of Solid State Chemistry (1989) 82, 203-215

a=19.555Å   b=7.376Å   c=7.429Å

α=90°   β=102.26°   γ=90°