Zincite
Revision as of 12:19, 27 April 2013 by (username removed)
Description
Naturally occurring translucent orange to red color mineral of oxide 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, G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 889
- Encyclopedia Britannica, http://www.britannica.com Comment: "zincite" Encyclopdia Britannica Premium Service. [Accessed 20 Sept. 2005].
- C.W.Chesterman, K.E.Lowe, 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)