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 |
3.24ct (AQ4083)
2.83ct - 9mm (AQ4082)
13.48ct (AQ4040)
4.93ct (AQ4005)
7.99ct (TN0859)
5.51ct (TN0856)
5.90ct (TN0854)
6.40ct (TN0851)
11.97ct - Pair (TN0850)
2.54ct (TN0842)
3.27ct (TN0841)
2.15ct - 9x7mm (TN0839)
4.32ct (TN0837)
4.81ct (TN0836)
2.04ct (AQ3993)
1.89ct (AQ3990)
2.51ct (AQ3989)
23.96ct (ZI1056)
19.69ct (AQ3929)
5.52ct (AQ3915)
2.12ct (AQ3868)
3.22ct (AQ3867)
9.11ct (ZI1053)
12.00ct (ZI1052)