Uvarovite
Outokumpu mining district, North Karelia, Finland
0.44 carats
© irocks.com
Uvarovite Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Uvarovite Gemstones by Size
This table shows distribution of Uvarovite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:0.44 cts
Heaviest:.47 cts
Average:0.45 cts
Total photos:2
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| General Information | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A variety or type of: | Garnet Group | |||||||||||||||||
| Chemical Formula |
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| Physical Properties of Uvarovite | ||||||||||||||||||
| Mohs Hardness | 7.5, Gemmological Tables (2004) More from other references | |||||||||||||||||
| Specific Gravity | 3.77, Gemmological Tables (2004) More from other references | |||||||||||||||||
| Cleavage Quality | None, Gemstones (2009) | |||||||||||||||||
| Fracture | Conchoidal, Gemstones (2009) | |||||||||||||||||
| Optical Properties of Uvarovite | ||||||||||||||||||
| Refractive Index | 1.87, Gemmological Tables (2004) More from other references | |||||||||||||||||
| Optical Character | Isotropic, Gemmological Tables (2004) | |||||||||||||||||
| Dispersion | 0.014 to 0.021, Gemstones of the world (2001) | |||||||||||||||||
| Colour | ||||||||||||||||||
| Colour (General) | Green, Gemmological Tables (2004) | |||||||||||||||||
| Colour (Chelsea Filter) | Inert to reddish, Blue Chart Gem Identification (2010) | |||||||||||||||||
| Causes of Colour | Bright green due to chromium, Blue Chart Gem Identification (2010) | |||||||||||||||||
| Transparency | Translucent,Opaque, Gemmological Tables (2004) More from other references | |||||||||||||||||
| Lustre | Vitreous, Gemstones (2009) | |||||||||||||||||
| Fluorescence & other light emissions | ||||||||||||||||||
| Fluorescence (General) | Inert, Blue Chart Gem Identification (2010) | |||||||||||||||||
| Crystallography of Uvarovite | ||||||||||||||||||
| Crystal System | Isometric, Gemmological Tables (2004) | |||||||||||||||||
| Habit | Trapezohedral, dodecahedral, Gemstones (2009) | |||||||||||||||||
| Geological Environment | ||||||||||||||||||
| Where found: | Uvarovite is formed from the metamorphism of impure siliceous limestones and some other rocks that contain chromium., Gemstones (2009) | |||||||||||||||||
| Further Information | ||||||||||||||||||
| Mineral information: | Uvarovite information at mindat.org | |||||||||||||||||
| Significant Gem Localities | ||||||||||||||||||
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