(Ca3.36 Na0.08) (Ca5.04 Na0.72) (P O4)3.6 (C O3)2.4 (O H)2

C_2.4H₂Ca_8.4Na_0.8O_23.6P_3.6

El Feki, H.Savariault, J.M.Ben Salah, A.Jemal, M.

Solid State Sciences (2000) 2, 577-586

a=9.3249Å   b=9.3249Å   c=6.9213Å

α=90°   β=90°   γ=120°