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 |
8.33ct - Pair (ZI1282)
27.63ct - 16mm (TN1228)
5.18ct (ZI1288)
4.43ct - 9x7mm (ZI1287)
6.02ct (ZI1284)
9.57ct - Pair (ZI1283)
9.01ct - Pair (ZI1280)
11.31ct - Pair (ZI1279)
5.01ct (ZI1278)
5.19ct (ZI1276)
5.04ct - 9x7mm (ZI1274)
7.21ct (ZI1273)
7.50ct - 11mm (ZI1272)
6.89ct (ZI1271)
12.02ct - Pair (ZI1269)
12.78ct - Pair (ZI1267)
9.34ct - 11x9mm (ZI1265)
6.28ct - 10x8mm (ZI1264)
7.74ct (ZI1263)
22.63ct (ZI1262)
2.03ct - 8x6mm (BS0289)
4.38ct (BR0008)
0.86ct - 5mm (BS0288)
1.05ct (BS0287)