16.8.6: Uvarovite
- Page ID
- 4137
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Uvarovite Garnet | |
---|---|
Chemical composition | Ca3Cr2(SiO4)3alcium chromium silicate |
Crystal system | Cubic |
Habit | Dodecahedra |
Cleavage | None |
Hardness | 7.5 |
Optic nature | Isotropic |
Refractive index | 1.86-1.87 |
Birefringence | None |
Specific gravity | 3.77 |
Lustre | Vitreous |
Figure \(\PageIndex{1}\): Uvarovite
Photo courtesy of Rick Martin
Uvarovite is hardly ever found in crystals large enough to be cut into gemstones.