Si3 Al3 O3 N5

Al₃N₅O₃Si₃

van Dijen, F.K.Helmholdt, R.B.Metselaar, R.

Journal of Materials Science. Letters (1987) 6, 1101-1102

a=7.6805Å   b=7.6805Å   c=2.975Å

α=90°   β=90°   γ=120°