uvarovite

Also known as Uv

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.

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

Wikidata facts

Subclass of: garnet group
Named after: Sergey Uvarov
Image: Uvarovite-200516.jpg

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crystal system: cubic crystal system
Commons category: Uvarovite
Nickel-Strunz 9th edition (updated 2009): 9.AD.25
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 9.AD.25
streak color: white
IMA Mineral Symbol: Uv
chemical formula: Ca₃Cr₂(SiO₄)₃
Strunz 8th edition (series ID, updated): VIII/A.06c

Sources (1)

wikidata.org

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Encyclopedic overview

5 sections

Contents

Occurrence
Properties
See also
References
External links

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.

Excerpted from Wikipedia’s “uvarovite” article, available under the CC BY-SA 4.0 licence.