Mineral | Corrundum |
---|---|
Chemistry | Al2O3 |
Color | Pale - Deep Pink |
Refractive Index | 1.762 - 1.770 |
Birefringence | 0.008 - 0.010 |
Specific Gravity | 4.00 |
Mohs Hardness | 9.0 |
1.82ct - 9x7mm (RL1353)
1.59ct - 9x7mm (RL1352)
1.87ct - 9mm (RL1350)
2.70ct - 10x8mm (RL1347)
4.63ct (RL1342)
5.56ct (RL1336)
7.81ct (RL1335)
7.31ct (RL1334)
7.15ct (RL1332)
14.48ct (RL1331)
4.04ct (PS0047)
0.72ct (RL1309)
1.02ct - 8x6mm (RL1308)
53.46ct - 22mm (PT1270)
53.70ct (PT1269)
3.01ct (SP0433)
3.54ct (RL1259)
1.68ct (RL1258)
2.41ct - 9x7mm (RL1251)
1.77ct - 9x7mm (RL1240)
5.32ct - Pair (RL1221)
7.03ct (RL1218)
5.82ct (RL1213)
9.08ct (RL1199)