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 |
4.85ct (PT0678)
7.02ct - 13x11mm (RL0904)
5.74ct (RL0882)
4.65ct - 11mm (RL0871)
4.39ct - 11x9mm (RL0869)
3.87ct (RL0853)
3.06ct (RL0850)
3.62ct (RL0839)
5.63ct (RL0828)
6.72ct (RL0825)
7.29ct (RL0822)
16.78ct (RL0776)
23.81ct (RL0759)
36.23ct (RL0758)
12.91ct (RL0750)
21.91ct (RL0745)
4.59ct (PT0610)
13.72ct (PT0520)
7.54ct (PT0500)
9.26ct (PT0475)
10.76ct - 15x13mm (PT0454)
16.80ct (PT0453)
6.84ct (SP0057)
10.27ct (RL0639)