Al2O3
Dan'ko, A.J.Rom, M.A.Kaltaev, K.S.Sidelnikova, N.S.Budnikov, A.T.Nizhankovskiy, S.V.Grin', Yu.
Crystallography Reports (2008) 53, 7 1112-1118
a=3.112Å b=3.112Å c=4.988Å
α=90° β=90° γ=120°
Al3O3.52
Dan'ko, A.J.Rom, M.A.Sidelnikova, N.S.Nizhankovskiy, S.V.Budnikov, A.T.Kaltaev, K.S.Grin', Yu.
a=7.9437Å b=7.9437Å c=7.9437Å
α=90° β=90° γ=90°