(N H4) Al (C O3) (O H)2

CH₆AlNO₅

Iga, T.Kato, S.

Journal of the Ceramic Association, Japan (1978) 86, 999 509-512

a=6.618Å   b=11.944Å   c=5.724Å

α=90°   β=90°   γ=90°