| Crystal System |
Monoclinic |
| Chemical Comp.. |
CaTiSiO5(OH,F) |
| Color |
Pale
Pink-Brown |
| Pleochroism |
Weak
to Moderate |
| Cleavage |
One
good |
| Relief |
High |
| Birefringence |
High 3rd/4th Order |
| 2V | 17˚-40˚ |
| Optic Sign | Positive |
| Twinning |
Single |
Titanite (Sphene) has a characteristic diamond-shape if crystallized from a magma. It has very high relief, extreme birefringence, and has a brown, speckled color in ppl.