| Property | Specification |
| Chemical Formula | Be₃Al₂Si₆O₁₈ (Beryl group) |
| Crystal System | Hexagonal |
| Color | Light blue to blue-green |
| Hardness (Mohs) | 7.5 – 8 |
| Specific Gravity | 2.68 – 2.74 |
| Refractive Index | 1.577 – 1.583 |
| Luster | Vitreous |
| Transparency | Transparent to translucent |
| Cleavage | Poor basal |
| Fracture | Conchoidal to uneven |
| Streak | White |
| Pleochroism | Weak (blue to colorless or greenish) |
| Fluorescence | Typically none or very weak |
| Crystal Habit | Hexagonal prismatic crystals |
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