Al1.88Ba0.94O8Si2.12
Skellern, Matthew G.Howie, R. AlanLachowski, Eric E.Skakle, Janet M. S.
Acta Crystallographica Section C (2003) 59, 2 i11-i14
a=8.633(6)Å b=13.063(8)Å c=7.214(5)Å
α=90° β=115.17(5)° γ=90°
Al1.60Ba0.80O8Si2.40
a=8.6090(8)Å b=13.0658(12)Å c=7.2047(7)Å
α=90° β=115.418(2)° γ=90°