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 |
5.20ct - 11x9mm (PA1593)
2.99ct (PA1587)
8.67ct (TN0830)
7.80ct (TN0795)
5.80ct (ZI0870)
4.34ct (ZI0869)
10.06ct - 10mm (ZI0857)
9.29ct (ZI0856)
7.37ct (ZI0855)
8.87ct - 11x9mm (ZI0854)
9.10ct (ZI0849)
20.26ct - 12x10mm Pair (ZI0844)
7.30ct (ZI0839)
6.53ct (ZI0835)
6.02ct - 9mm (ZI0834)
6.74ct (PA1580)
6.88ct (PA1577)
6.81ct - 11x9mm (ZI0829)
6.17ct (ZI0828)
6.18ct - 10x8mm (ZI0827)
7.16ct - 11x9mm (ZI0826)
6.97ct - 9mm (ZI0824)
6.26ct - 10x8mm (ZI0822)
5.63ct - 11x9mm (ZI0817)