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 |
3.85ct - 9x7mm Pair (AQ4589)
7.31ct (ZI1112)
9.40ct (ZI1104)
18.24ct - Pair (ZI1101)
14.41ct (ZI1099)
6.37ct - 10x8mm (ZI1096)
12.03ct (ZI1088)
16.95ct (ZI1086)
20.87ct - 16x14mm (ZI1083)
1.01ct (AQ4552)
2.46ct (AQ4534)
2.09ct - 7mm (AQ4533)
1.96ct - 7mm (AQ4532)
2.06ct - 8mm (AQ4531)
3.95ct (AQ4529)
3.74ct (AQ4485)
2.76ct (AQ4484)
2.10ct (AQ4483)
79.63ct (AQ4467)
4.12ct (AQ4431)
2.94ct (AQ4425)
2.67ct (AQ4415)
3.31ct (AQ4413)
2.26ct (AQ4398)