Amazonite
|
Refractive Index |
1.522 to 1.530 |
|
Birefringence |
0.008 to 0.010 |
|
Dispersion |
Weak |
|
Specific Gravity |
2.55 to 2.57 |
|
Transparency |
Translucent to Opaque |
|
Pleochroism |
Weak |
|
Fluorescence |
Weak; olive-green |
|
Optical Character |
Biaxial - |
|
Cleavage Quality |
Perfect |
|
Fracture |
Uneven,Conchoidal |
|
Lustre |
Vitreous |
|
Mohs Hardness |
6 to 6.5 |