Mineral | Corrundum |
---|---|
Chemistry | Al2O3 |
Color | Light - Deep Blue |
Refractive Index | 1.762 - 1.770 |
Birefringence | 0.008 - 0.010 |
Specific Gravity | 4.00 |
Mohs Hardness | 9.0 |
0.95ct - 5mm (SP0493)
1.13ct - 7x5mm (SP0486)
80.46ct (AQ4626)
34.64ct (ZI1132)
11.02ct (ZI1130)
9.73ct (ZI1128)
2.84ct (BS0276)
7.07ct (BS0273)
4.05ct (BS0269)
2.96ct (BS0268)
3.03ct - 8x6mm (BS0267)
2.56ct - 8mm (BS0266)
1.05ct (AQ4625)
1.35ct (AQ4624)
2.88ct - Pair (AQ4608)
1.36ct (AQ4621)
1.14ct (AQ4615)
1.83ct (AQ4611)
3.84ct - Pair (AQ4607)
2.72ct - Pair (AQ4602)
0.98ct - 6mm (AQ4597)
2.08ct (AQ4594)
1.27ct (AQ4593)
1.83ct - 8mm (AQ4592)