Mineral | Beryl |
---|---|
Chemistry | Be3Al2Si6O18 |
Color | Green - Vivid Green |
Refractive Index | 1.577 to 1.583 |
Birefringence | 0.005 to 0.009 |
Specific Gravity | 2.72 |
Mohs Hardness | 7.5 - 8.0 |
20.62ct (PG0048)
12.24ct (PG0047)
10.70ct - 13mm (PG0044)
3.97ct (PG0043)
3.56ct (PG0041)