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 |
3.04ct - 8mm (GBC-35)
3.16ct (GBC-43)
3.08ct - 10x8mm (GBC-36)
3.04ct (GBC-32)
3.05ct (GBC-27)
3.11ct - 10x8mm (GBC-24)
3.04ct - 9x7mm (GBC-11)
3.06ct (GBC-30)
3.65ct (D14-16)
3.61ct - 10mm (D14-15)
3.41ct - 10x8mm (D14-12)
3.73ct (D14-02)
8.11ct (D9-10)
9.02ct (D9-09)
3.02ct - 10x8mm (J12-50)
2.59ct - 9x7mm (J12-48)
3.01ct - 9x7mm (J12-47)
3.02ct - 9x7mm (J12-44)
3.02ct (J12-41)
3.01ct (J11-57)
7.09ct (J2-61)
8.09ct - Pair (D6-47)
10.06ct (D6-43)
5.02ct (D6-41)