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 - 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)
2.59ct - 9x7mm (J12-48)
3.01ct - 9x7mm (J12-47)
3.02ct - 9x7mm (J12-44)
3.01ct (J11-57)
7.09ct (J2-61)
8.09ct - Pair (D6-47)
10.06ct (D6-43)
5.04ct - 11x9mm (D6-33)
4.01ct (D4-09)
6.21ct (D8-26)
3.01ct (G47-02)
12.39ct - 15x13mm (D10-02)
3.03ct - 9x7mm (B43-54)
3.00ct - 9x7mm (B43-51)
3.03ct (B43-47)
3.02ct (B43-31)