Difference between revisions of "Zincite"
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== Description == | == Description == | ||
| − | Naturally occurring translucent orange to red color mineral of [http://cameo.mfa.org/materials/fullrecord.asp?name=zinc | + | Naturally occurring translucent orange to red color mineral of [http://cameo.mfa.org/materials/fullrecord.asp?name=zinc%20oxide zinc oxide] that contains traces of [http://cameo.mfa.org/materials/fullrecord.asp?name=manganese manganese]. Large quantities of zincite have been found in Poland, Italy (Tuscany), Spain, Germany (Saxony), Tasmania and the U.S. (New Jersey). Deep red zincite stones obtained in New Jersey are sometimes cut into gems for costume jewelry. Fluorescent zinc glass is prepared with crushed zincite. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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== Authority == | == Authority == | ||
| − | * | + | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 889 |
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "zincite" | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "zincite" 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/Zincite (Accessed Sept. 20, 2005) | * Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Zincite (Accessed Sept. 20, 2005) | ||
Revision as of 06:42, 24 July 2013
Description
Naturally occurring translucent orange to red color mineral of zinc oxide that contains traces of manganese. Large quantities of zincite have been found in Poland, Italy (Tuscany), Spain, Germany (Saxony), Tasmania and the U.S. (New Jersey). Deep red zincite stones obtained in New Jersey are sometimes cut into gems for costume jewelry. Fluorescent zinc glass is prepared with crushed zincite.
Synonyms and Related Terms
red zinc ore; red zinc oxide; zincite (Fr., Port.); Zinkoxid (Deut.); zinkiet (Ned.)
Other Properties
Hexagonal crystal system. Perfect cleavage in one direction. Usually massive.
Fracture = conchoidal. Luster = adamantine. Streak = orange-yellow
| Composition | ZnO |
|---|---|
| Mohs Hardness | 4.0 |
| Density | 5.4-5.7 |
Additional Information
Mineralogy Database: Zincite
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 889
- Encyclopedia Britannica, http://www.britannica.com Comment: "zincite" 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/Zincite (Accessed Sept. 20, 2005)