| Crystal System |
Monoclinic |
| Chemical Comp.. |
Ca2Al2O.AlOH[Si2O7][SiO4] |
| Color |
Colorless
|
| Pleochroism |
None |
| Cleavage |
1
perfect |
| Relief |
High |
| Birefringence |
Low to middle first order |
| 2V | 14˚ to 90˚ |
| Optic Sign | Positive |
| Twinning |
Simple |
Clinozoisite stands out because of it's relief and first order birefringence colors. It is often found in association with chlorite.