Chrysoberyl
Refractive Index |
1.530 to 1.543 |
Birefringence |
0.003 to 0.009 |
Dispersion |
None |
Specific Gravity |
2.55 to 2.70 |
Transparency |
Translucent to Opaque |
Pleochroism |
Absent |
Fluorescence |
yellowish-green |
Optical Character |
Uniaxial + |
Cleavage |
None |
Fracture |
Uneven |
Lustre |
Waxy |
Mohs Hardness |
6.5 to 7 |