| Almandine |
Pyrope |
|
| Crystal System |
Isometric | Isometric |
| Chemical Comp.. |
Fe2+3Al2Si3O12 |
Mg3Al2Si3O12 |
| Color |
Colorless/pale
pink-brown |
Colorless/pale pink-brown |
| Pleochroism |
None |
None |
| Cleavage |
None | None |
| Relief |
High |
High |
| Birefringence |
None | None |
| 2V | None |
None |
| Optic Sign |
None |
None |
| Twinning |
Complex & sector |
Complex & sector |
Garnet is isotropic and has high relief. Fe and Mg varieties exhibit a pale pink-brown color as shown above.