(Al2 O3)1.333

Al_2.666O_3.999

Gutierrez, G.Taga, A.Johansson, B.

Physical Review, Serie 3. B - Condensed Matter (18,1978-) (2002) 65, 012101/1-012101/4

a=7.887Å   b=7.887Å   c=7.887Å

α=90°   β=90°   γ=90°