Sphene is the gemstone name of the mineral Titanite. Sphene is known for its exceptional dispersion, resulting in gemstones that show brilliant fire. The dispersion of Sphene exceeds even that of Diamond. However, the relatively low hardness of Sphene inhibits its use as a mainstream gemstone.
| Chemical Formula | CaTiSiO5 |
| Color | Green, Yellow, Orange, Brown |
| Hardness | 5Â -Â 5.5 |
| Crystal System | Monoclinic |
| Refractive Index | 1.84Â -Â 2.11 |
| SG | 3.4Â -Â 3.6 |
| Transparency | Transparent |
| Double Refraction | .100 - .192 |
| Luster | Adamantine |
| Cleavage | 2,2 |
| Mineral Class | Titanite |
No comments:
Post a Comment