| Property | Specification |
| Chemical Formula | Be₃Al₂Si₆O₁₈ (Beryl group) |
| Crystal System | Hexagonal |
| Color | Green (from light to dark green, due to chromium and vanadium) |
| Hardness (Mohs) | 7.5 – 8 |
| Specific Gravity | 2.67 – 2.78 |
| Refractive Index | 1.577 – 1.583 |
| Luster | Vitreous |
| Transparency | Transparent to translucent |
| Cleavage | Perfect basal cleavage |
| Fracture | Conchoidal to uneven |
| Streak | White |
| Pleochroism | Strong (green to blue-green) |
| Fluorescence | Usually none or weak, depending on trace elements |
| Crystal Habit | Prismatic, tabular crystals |
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