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 |
3.10ct (ZI0920)
6.75ct (ZI0906)
7.01ct (ZI0904)
6.47ct (ZI0903)
7.18ct (ZI0902)
7.17ct (ZI0901)
7.57ct - 11x9mm (ZI0899)
8.14ct (ZI0898)
7.90ct - 9mm (ZI0897)
10.13ct (ZI0895)
8.01ct - 9mm (ZI0894)
5.63ct - 9x7mm (ZI0891)
3.33ct (ZI0889)
5.50ct - 10x8mm (ZI0885)
4.74ct - 8mm (ZI0882)
5.21ct - 9x7mm (ZI0879)
4.65ct - 8mm (ZI0878)
4.95ct - 9x7mm (ZI0877)
5.21ct (ZI0876)
5.28ct - 10x8mm (ZI0875)
5.08ct - 9x7mm (ZI0873)
4.24ct - 9x7mm (ZI0872)
5.83ct (PA1602)
3.24ct (PA1597)