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fayalite

[fey-uh-lahyt, fahy-ah-lahyt] /ˈfeɪ əˌlaɪt, faɪˈɑ laɪt/
noun, Mineralogy
1.
the iron end member of the olivine group, Fe 2 SiO 4 .
Origin
1835-1845
1835-45; named after Fayal; see -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for fayalite

fayalite

/ˈfeɪəˌlaɪt; faɪˈɑːlaɪt/
noun
1.
a rare brown or black mineral of the olivine group, consisting of iron silicate. Formula: Fe2SiO4
Word Origin
C19: named after Fayal
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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fayalite in Science
fayalite
  (fā'ə-līt')   
See under olivine.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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