Na8.81 Fe2 O F (P O4)4

FFe₂Na_8.81O₁₇P₄

Maksimov, B.A.Simonov, V.I.Klokova, N.E.Tamazyan, R.A.Petrzhichek, V.Popov, A.N.

Kristallografiya (1992) 37, 1152-1163

a=15.645Å   b=14.866Å   c=7.144Å

α=90°   β=90°   γ=90°