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A pale brass-yellow to silver-white ore of gold and silver, chiefly (Au,Ag)Te2.
[French, after Transylvania.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Minerals) 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
[C18: from (Tran)sylvan(ia) + -ite1, with reference to the region where it was first found]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a silvery-yellowish ore mineral, gold silver telluride, (AuAg)Te4.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||sylvanite - a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America|
atomic number 79, Au, gold - a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia
atomic number 52, Te, tellurium - a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
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