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sphalerite

[sfal-uh-rahyt, sfey-luh-] /ˈsfæl əˌraɪt, ˈsfeɪ lə-/
noun
1.
a very common mineral, zinc sulfide, ZnS, usually containing some iron and a little cadmium, occurring in yellow, brown, or black crystals or cleavable masses with resinous luster: the principal ore of zinc and cadmium; blackjack.
Origin
1865-1870
1865-70; < Greek sphaler(ós) slippery, deceptive + -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sphalerite
  • sphalerite veins and late barite veins occur locally.
  • sphalerite, galena and pyrite are found in crosscutting veins in a chert breccia with quartz veins.
  • sphalerite typically occurs as red to brown fine disseminated grains in the limestone, fluorite, and calcite.
British Dictionary definitions for sphalerite

sphalerite

/ˈsfæləˌraɪt; ˈsfeɪlə-/
noun
1.
a yellow to brownish-black mineral consisting of zinc sulphide in cubic crystalline form with varying amounts of iron, manganese, cadmium, gallium, and indium: the chief source of zinc. Formula: ZnS Also called zinc blende
Word Origin
C19: from Greek sphaleros deceitful, from sphallein to cause to stumble
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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sphalerite in Science
sphalerite
  (sfāl'ə-rīt')   
A usually yellow-brown or brownish-black cubic mineral occurring either as single dodecahedral crystals or as granular masses. It often contains cadmium, arsenic, or manganese and has a distinct rotten egg odor. It is often found in association with the mineral galena and is the primary ore of zinc. Chemical formula: ZnS.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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