(N H4)0.33 Al0.89 (H P O4) (H2 P O4) (H2 O)2

Al_0.89H₅N_0.333333O₁₀P₂

Yakubovich, O.V.Dadashov, M.S.

Kristallografiya (1988) 33, 848-853

a=8.905Å   b=8.905Å   c=16.488Å

α=90°   β=90°   γ=120°