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itacolumite

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it⋅a⋅col⋅u⋅mite

[it-uh-kol-yuh-mahyt]
–noun
a sandstone consisting of interlocking quartz grains and mica scales, found principally in Brazil and North Carolina, and noted for its flexibility in thin slabs.

Origin:
1860–65; named after Itacolumi, mountain in Brazil; see ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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it·a·col·u·mite   (ĭt'ə-kŏl'yə-mīt')   
n.  A variety of sandstone that is flexible when cut into thin slabs.

[After Itacolumi (Itacolomi), a mountain of east-central Brazil.]
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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