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 |
3.03ct (S6-20)
3.19ct (S6-18)
3.06ct (S9-43)
4.04ct (S9-41)
3.10ct (S9-39)
4.37ct (S9-36)
4.20ct (S9-29)
4.03ct (S9-25)
5.01ct - 11x9mm (S9-18)
5.02ct (S9-07)
2.04ct (GBB-05)
2.05ct (GBB-04)
2.04ct (SL05-19)
2.01ct (SB31402-13)
2.01ct (SB31402-07)
2.01ct (SB31402-06)
1.53ct - 8x6mm (GBA-24)
1.51ct (GBA-23)
2.00ct - 8x6mm (SL09-03)
2.00ct - 8x6mm (SL09-02)
3.02ct (GBC-33)
3.05ct (GBC-03)
2.51ct (GBC-17)
3.04ct - 9x7mm (GBC-25)