My watch list
my.chemeurope.com  
Login  

Uvarovite



Uvarovite

Pendant in uvarovite, a rare bright-green garnet. The long dimension is 2 cm (0.8 inch)]]
General
CategoryMineral
Chemical formulaCa3Cr2Si3O12
Identification
ColorGreen, emerald-green, green-black
Mohs Scale hardness7.5
LusterVitreous
StreakWhite
DiaphaneityTransparent, Translucent

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 Semenovitch Uvarov (1765-1855), a Russian statesman and amateur mineral collector.

Additional recommended knowledge

Uvarovite is one of the rarer of the garnet group minerals, and is the only consistently green garnet species, with a beautiful emerald-green color. It occurs as well-formed fine sized crystals. Specimens of uvarovite are much sought after by collectors for outstanding brilliance and color.

It is found associated with chromium ores in Spain, Russia, and Quebec in Canada. It also occurs in Finland, Norway, and South Africa.

See also

References

Mindat

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Uvarovite". A list of authors is available in Wikipedia.
Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE