Euclase
VIBRANIUM LTD
Euclase
| Property | Specification |
| Chemical Formula | BeAlSiO?(OH) |
| Crystal System | Monoclinic |
| Color | Colorless, Blue, Green, Yellow |
| Hardness (Mohs) | 7.5 |
| Specific Gravity | 3.0 - 3.1 |
| Refractive Index | 1.652 - 1.670 |
| Birefringence | 0.016 - 0.018 |
| Luster | Vitreous |
| Transparency | Transparent to Translucent |
| Pleochroism | Weak to Strong (varies by color) |
| Optical Character | Biaxial (+) |