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 |
1.56ct (AQ4733)
1.26ct - 6mm (PG0491)
31.71ct (AQ4719)
112.80ct (AQ4715)
4.50ct (ZI1184)
4.46ct (ZI1182)
4.03ct (ZI1181)
4.16ct - 9x7mm (ZI1166)
4.36ct - 11x9mm (PA1915)
3.16ct - 10x8mm (PA1914)
1.65ct (PA1913)
3.06ct (PA1912)
4.22ct (PA1903)
8.20ct (PA1893)
3.06ct - 10x8mm (PA1879)
21.89ct (ZI1164)
7.96ct - 11x9mm (ZI1162)
8.94ct (ZI1159)
5.67ct - 10x8mm (ZI1154)
6.48ct (ZI1151)
1.59ct (PA1872)
1.99ct (PA1870)
1.47ct - 8x6mm (PA1850)
2.39ct (PA1844)