| Mineral | Beryl | 
|---|---|
| Chemistry | Be3Al2Si6O18 | 
| Color | Light - Greenish Blue | 
| Refractive Index | 1.577 - 1.583 | 
| Birefringence | 0.005 - 0.009 | 
| Specific Gravity | 2.72 | 
| Mohs Hardness | 7.5 - 8.0 | 
8.08ct (AQ2463)
9.51ct (AQ2462)
12.04ct (AQ2461)
12.77ct (AQ2459)
9.73ct (AQ2458)
14.46ct - 17x15mm (AQ2457)
11.64ct (AQ2455)
9.12ct (AQ2450)
8.01ct (AQ2449)
6.46ct (AQ2447)
5.58ct (AQ2441)
11.16ct - 15x13mm (AQ2436)
9.35ct (AQ2434)
3.57ct - 11x9mm (AQ2427)
5.50ct (AQ2424)
4.60ct (AQ2423)
3.93ct (AQ2421)
6.44ct (AQ2418)
4.83ct (AQ2417)
6.03ct (AQ2416)
6.80ct (AQ2415)
3.10ct (AQ2412)
4.42ct (AQ2410)
3.50ct - 10mm (AQ2408)