Garnet
Optical Properties
In PPL
| Form | subhedral |
| Color | colorless |
| Pleochroism | absent |
| Relief | high positive |
| Cleavage | absent |
| Fracture | present |
| Twinkling | absent |
In XPL
| Iso/Aniso | isotropic |
| Interference Color | - |
| Extinction Angle | - |
| Twinning | - |
| Form | subhedral |
| Color | colorless |
| Pleochroism | absent |
| Relief | high positive |
| Cleavage | absent |
| Fracture | present |
| Twinkling | absent |
| Iso/Aniso | isotropic |
| Interference Color | - |
| Extinction Angle | - |
| Twinning | - |