AM_Corundum_11
Formula: Al2 O3
Name: Corundum
Unit cell: 4.7212 4.7212 12.872 90.0 90.0 120.0 , V=248.47
Space group: R-3C (167)

d Amour H , Schiferl D , Denner W , Schulz H , Holzapfel W B , Journal of Applied Physics , 49 (1978) p.4411-4416, High-pressure single-crystal structure determinations for ruby up to 90 kbar, using an automatic diffractometer, P = 81 kbar