Difference between revisions of "Uvarovite"
From The Gemology Project
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− | Uvarovite is hardly ever found in crystals large enough to be cut | + | Uvarovite is hardly ever found in crystals large enough to be cut into gemstones. |
Revision as of 21:22, 23 December 2006
Uvarovite Garnet | |
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Chemical composition | Ca3Cr2(SiO4)3
Calcium 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 |
Uvarovite is hardly ever found in crystals large enough to be cut into gemstones.