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uvarovite
Sign in to savethumb|Uvarovite - Saranowskiy Mine, Ural. Russia. Uvarovite is a chromium-bearing garnet group species with the formula: Ca3Cr2(SiO4)3. It was discovered in 1832 by Germain Henri Hess who named it after Count Sergei Uvarov (1765–1855), a Russian statesman and amateur mineral collector. It is classified in the ugrandite group alongside the other calcium-bearing garnets andradite and grossular.
Key facts
- Mineral.boxbgcolor
- 187225
- Mineral.boxtextcolor
- FFFFFF
- Mineral.name
- Uvarovite
- Mineral.category
- Nesosilicate
- Mineral.image
- Shuiskite, uvarovite 1100.FS2015 1.jpg
- Mineral.imagesize
- 260px
- Mineral.formula
- Ca3Cr2Si3O12
- Mineral.IMAsymbol
- Uv
- Mineral.strunz
- 9.AD.25
- Mineral.system
- Cubic
- Mineral.class
- Hexoctahedral (mm) H-M symbol: (4/m 2/m)
- Mineral.symmetry
- Iad
- Mineral.unit cell
- a = 11.99 Å; Z = 8
- Mineral.color
- Green, emerald-green, green-black
- Mineral.habit
- Euhedral crystals, granular, massive
- Mineral.fracture
- Uneven, conchoidal
- Mineral.mohs
- 6.5–7.5
- Mineral.luster
- Vitreous
via Wikipedia infobox
Article
5 sectionsContents
- Occurrence
- Properties
- See also
- References
- External links
thumb|Uvarovite - Saranowskiy Mine, Ural. Russia. Uvarovite is a chromium-bearing garnet group species with the formula: Ca3Cr2(SiO4)3. It was discovered in 1832 by Germain Henri Hess who named it after Count Sergei Uvarov (1765–1855), a Russian statesman and amateur mineral collector. It is classified in the ugrandite group alongside the other calcium-bearing garnets andradite and grossular.
Uvarovite is the rarest of the common members of the garnet group, and is the only consistently green garnet species, with an emerald-green color. It occurs as well-formed fine-sized crystals.