Chrysoberyl
| Name | Chrysoberyl |
| Chemical Formula | BeAl2O4 |
| Mohs Hardness | 8.5 |
| Density | 3.65 - 3.85 |
| Streak | White |
| Luster | Vitreous |
| Refractive Index | 1.745 - 1.754 |
| Color | emerald-green, greenish white, yellowish green, greenish brown, yellow, blue |
| Gem Types | chrysoberyl cats eye alexandrite |
