Mineral | Corrundum |
---|---|
Chemistry | Al2O3 |
Color | Pale - Deep Yellow |
Refractive Index | 1.762 - 1.770 |
Birefringence | 0.008 - 0.010 |
Specific Gravity | 4.00 |
Mohs Hardness | 9.0 |
5.58ct - 11x9mm (YS0026)
3.06ct - 9x7mm (YS0025)
2.05ct (YS0024)
3.03ct (YS0023)
3.82ct (YS0022)
5.06ct - 9x7mm (YS0021)
7.81ct - 11x9mm (YS0017)
3.06ct (YS0015)
3.48ct (YS0012)
5.02ct (YS0010)
3.62ct - 9x7mm (YS0008)
3.04ct (YS0006)