Mineral | Corrundum |
---|---|
Chemistry | Al2O3 |
Color | Greenish Blue - Bluish Green |
Refractive Index | 1.762 - 1.770 |
Birefringence | 0.008 - 0.010 |
Specific Gravity | 4.00 |
Mohs Hardness | 9.0 |
1.54ct (TL0111)
1.23ct (TL0109)
1.15ct - 6x4mm (TL0100)
1.18ct - 5mm (TL0099)
0.73ct - 4mm (TL0095)
0.68ct - 5mm (TL0094)
1.54ct (TL0092)
1.30ct - 6mm (TL0090)
0.93ct - 6x4mm (TL0088)
1.44ct - 7x5mm (TL0083)
2.00ct (TL0081)
1.40ct - 6mm (TL0079)
1.13ct - 7x5mm (TL0078)
1.67ct (TL0077)
1.49ct - 7x5mm (TL0073)
1.41ct (TL0071)
1.25ct (TL0069)
1.40ct - 6mm (TL0067)
1.65ct - 7x5mm (TL0064)
1.57ct (TL0061)
1.04ct - 6mm (TL0053)
1.69ct - 7x5mm (TL0052)
1.68ct - 7x5mm (TL0048)
1.36ct - 6mm (TL0047)