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sylvanite

[sil-vuh-nahyt] /ˈsɪl vəˌnaɪt/
noun
1.
a mineral, gold silver telluride, (AuAg)Te 2 , silver-white with metallic luster, often occurring in crystals so arranged as to resemble written characters: an ore of gold.
Origin
1790-1800
1790-1800; named after Transylvania; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sylvanite
  • It is not impossible that both calaverite and sylvanite as well as free gold are present.
British Dictionary definitions for sylvanite

sylvanite

/ˈsɪlvəˌnaɪt/
noun
1.
a silver-white mineral consisting of a telluride of gold and silver in the form of elongated striated crystals: a source of gold in Australia and North America. Formula: (Au,Ag)Te2
Word Origin
C18: from (Tran)sylvan(ia) + -ite1, with reference to the region where it was first found
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for sylvanite

a gold and silver telluride mineral [(Au,Ag)Te2] in which the ratio of gold to silver atoms is commonly close to 1:1. It is a member of the krennerite group of sulfides and is found associated with them in ore veins formed at low temperatures in Hungary, Australia, Canada, and the western United States. It forms monoclinic crystals. For detailed chemical properties, see sulfide mineral (table)

Learn more about sylvanite with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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