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pinite

 - 2 dictionary results

pin⋅ite

[pin-ahyt, pee-nahyt]
–noun
a micaceous mineral, similar in composition to muscovite, formed by chemical alteration of various other minerals.

Origin:
1795–1805; < G Pinit, named after Pini, mine in Germany; see -ite 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pin·ite   (pĭn'īt', pē'nīt')   
n.  A gray, green, or brown mineral similar to mica, formed by chemical alteration of other minerals, such as cordierite.

[After Pini, a mine in Saxony.]
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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