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 |
3.05ct - 9x7mm (FR96-08)
3.24ct - 9x7mm (FR96-06)
7.29ct (MR0178)
7.02ct (M6-35)
6.21ct (M6-30)
5.09ct (M6-24)
6.05ct - 11x9mm (M6-20)
7.11ct (M6-19)
4.01ct (M6-16)
5.03ct (M6-13)
4.02ct (M6-07)
3.06ct - 10x8mm (M6-06)
3.56ct - 9x7mm (M6-02)
2.89ct - 9x7mm (MR0176)
1.54ct - 8x6mm (MR0175)
3.33ct (SI89-26)
3.00ct (SI89-20)
3.10ct - 10x8mm (SI89-19)
3.19ct (SI89-11)
3.36ct (SI89-03)
3.42ct (R6-56)
4.00ct (R6-55)
4.20ct (R6-47)
3.03ct (R6-46)