Mineral | Corrundum |
---|---|
Chemistry | Al2O3 |
Color | Pale - Deep Pink |
Refractive Index | 1.762 - 1.770 |
Birefringence | 0.008 - 0.010 |
Specific Gravity | 4.00 |
Mohs Hardness | 9.0 |
18.38ct (PT1435)
4.72ct - 11mm (RL1606)
13.54ct (RL1603)
5.15ct - 10mm (RL1572)
1.04ct - 6mm (MZ0432)
2.02ct (MZ0425)
2.62ct - 8x6mm Pair (MZ0413)
2.99ct - 8x6mm Pair (MZ0411)
8.53ct - 13mm (MZ0397)
13.04ct (MZ0395)
3.76ct - 9mm (PT1409)
2.52ct (PT1391)
8.37ct (RL1564)
13.40ct (RL1563)
10.37ct - Pair (RL1557)
10.21ct - 12x10mm Pair (RL1556)
3.04ct - 9mm (RL1555)
4.49ct - 11mm (RL1549)
3.82ct - 11x9mm (RL1548)
4.45ct - 12x10mm (RL1547)
9.03ct - 15x13mm (RL1546)
10.43ct - 13x11mm Pair (RL1544)
3.42ct - 10x8mm (RL1543)
2.28ct - 10x8mm (RL1542)