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 |
4.05ct (R6-45)
4.02ct (R6-41)
4.13ct - 10x8mm (R6-40)
4.06ct (R6-37)
4.04ct (R6-31)
4.10ct (R6-30)
5.02ct - 11x9mm (R6-24)
3.03ct (SI12-55)
3.01ct (SI12-54)
2.18ct (SI12-48)
3.03ct (SI12-46)
3.02ct (SI12-45)
3.03ct (SI12-44)
3.01ct - 9x7mm (SI12-43)
3.07ct (SI12-40)
3.06ct (SI12-39)
4.00ct (SI12-38)
4.02ct - 11x9mm (SI12-36)
3.07ct (SI12-32)
2.07ct (SI12-26)
3.04ct - 9x7mm (SI12-25)
3.02ct - 8mm (SI12-24)
3.01ct - 8mm (SI12-23)
3.01ct (SI12-21)