Mineral | Corrundum |
---|---|
Chemistry | Al2O3 |
Color | Pale - Deep Purple |
Refractive Index | 1.762 - 1.770 |
Birefringence | 0.008 - 0.010 |
Specific Gravity | 4.00 |
Mohs Hardness | 9.0 |
4.57ct (RD0281)
3.87ct - 11x9mm (RD0280)
1.20ct - 10x8mm (MZ0168)
2.08ct (MZ0167)
5.22ct - 12x10mm (RD0253)
5.11ct (RD0252)
4.00ct (RD0236)
7.39ct - Pair (RD0185)
7.64ct - 13x11mm (RD0159)
4.15ct (RD0158)
7.78ct - Pair (RD0157)
4.20ct (RD0156)
5.35ct - 12x10mm (RD0153)
2.58ct (MZ0101)
7.41ct - 15x13mm (MZ0067)
2.61ct (MZ0065)