Mineral | Corrundum |
---|---|
Chemistry | Al2O3 |
Color | Red - Vivid Red |
Refractive Index | 1.762 - 1.770 |
Birefringence | 0.008 - 0.010 |
Specific Gravity | 4.00 |
Mohs Hardness | 9.0 |
2.18ct (SI12-48)
3.03ct (SI12-46)
3.02ct (SI12-45)
3.03ct (SI12-44)
3.01ct - 9x7mm (SI12-43)
4.01ct (SI12-40)
4.00ct (SI12-39)
4.00ct (SI12-38)
4.02ct - 11x9mm (SI12-36)
3.07ct (SI12-32)
3.01ct - 10x8mm (SI12-26)
3.04ct - 9x7mm (SI12-25)
3.02ct - 8mm (SI12-24)
3.01ct - 8mm (SI12-23)
3.01ct (SI12-21)
3.02ct - 10x8mm (SI12-20)
3.01ct (SI12-19)
3.01ct (SI12-18)
3.02ct - 10x8mm (SI12-17)
3.03ct (SI12-14)
1.59ct - 8x6mm (3L-04B)
8.20ct - 14x12mm (8N-05)
6.11ct (8N-02)
4.08ct (8N-01)