Difference between revisions of "Uvarovite"
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== Authority == | == Authority == | ||
| − | * | + | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 354 |
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "uvarovite" | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "uvarovite" Encyclopædia Britannica Premium Service. [Accessed 20 Sept. 2005]. |
| − | * | + | * C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979 |
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Uvarovite (Accessed Sept. 20, 2005) | * Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Uvarovite (Accessed Sept. 20, 2005) | ||
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Revision as of 07:42, 24 July 2013
Description
A rare, bright green garnet composed of a calcium chromium silicate. Uvarovite was discovered in 1832 and named after Count Sergei Uvarov, a Russian mineral collector. Gemstone quality uvarovite is mined in the Ural Mountains, Norway, Finland, Poland (Silesia), Spain, South Africa, Canada, (Quebec), and in the United States (California, Pennsylvania).
Synonyms and Related Terms
garnet; uvarovita (Esp.); uvarovite (Port.); Uvarovit (Deut.); uvaroviet (Ned.)
Other Properties
Fracture = conchoidal. Luster = vitreous to resinous. Streak = colorless to white
| Composition | Ca3Cr2(SiO4)3 |
|---|---|
| Mohs Hardness | 6.5 - 7.5 |
| Density | 3.9 |
| Refractive Index | 1.86 |
Additional Information
Mineralogy Database: Uvarovite
Additional Images
Uvarovite
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 354
- Encyclopedia Britannica, http://www.britannica.com Comment: "uvarovite" Encyclopædia Britannica Premium Service. [Accessed 20 Sept. 2005].
- C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Uvarovite (Accessed Sept. 20, 2005)
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998