Mineral | Corrundum |
---|---|
Chemistry | Al2O3 |
Color | Light - Deep Blue |
Refractive Index | 1.762 - 1.770 |
Birefringence | 0.008 - 0.010 |
Specific Gravity | 4.00 |
Mohs Hardness | 9.0 |
5.78ct - 11mm (PA1477)
11.57ct (AQ3091)
5.96ct (AQ3086)
3.16ct (AQ3051)
4.23ct (AQ3049)
11.69ct - 14x12mm Pair (AQ3031)
2.04ct - 10x8mm (AQ3024)
2.20ct (AQ3022)
1.88ct - 8mm (AQ3021)
3.18ct (AQ3020)
1.86ct (AQ3019)
3.26ct (AQ3017)
1.59ct (AQ3016)
4.96ct (AQ3015)
2.10ct (AQ3014)
1.53ct - 10x8mm (AQ3009)
1.50ct - 8x6mm Pair (AQ3007)
4.36ct (AQ3006)
1.48ct (AQ3005)
2.65ct - 10x8mm (AQ3004)
1.08ct - 8x6mm (AQ3003)
3.79ct (AQ3002)
1.77ct (AQ3001)
1.89ct (AQ2997)