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Kimberlite

 - 3 dictionary results

kim⋅ber⋅lite

  [kim-ber-lahyt]
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–noun
Petrology. a variety of micaceous peridotite, low in silica content and high in magnesium content, in which diamonds are formed.
Origin:
1885–90; named after Kimberley, South Africa; see -ite 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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kim·ber·lite   (kĭm'bər-līt')   
n.  A rock formation in South Africa containing peridotite, in which diamonds are formed.

[After Kimberley, a city in central South Africa.]
kim'ber·lit'ic (-lĭt'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
kimberlite   (kĭm'bər-līt')  Pronunciation Key 
A type of peridotite consisting of a fine-grained matrix of calcite and olivine and containing phenocrysts of olivine, garnet, and sometimes diamonds. Kimberlites are found in long, vertical volcanic pipes, especially in South Africa.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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