| Mineral | Beryl |
|---|---|
| Chemistry | Be3Al2Si6O18 |
| Color | Vibrant Green |
| Refractive Index | 1.577 - 1.583 |
| Birefringence | 0.005 - 0.009 |
| Specific Gravity | 2.72 |
| Mohs Hardness | 7.5 - 8.0 |
30.35ct (PG0454)
1.76ct - 9x7mm (EM0093)
2.13ct (EM0092)
6.35ct (EM0080)
0.92ct - 6mm (EM0010)