Ca5 (P O4)3 ((O H)0.2 F0.8)

Ca₅F_0.4O_12.1P₃

Rodriguez-Lorenzo, L.M.Gross, K.A.Hart, J.N.

J. Phys. Chem. B (2003) 107, 8316-8320

a=9.374Å   b=9.374Å   c=6.8826Å

α=90°   β=90°   γ=120°