pinite
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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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
pinite
(ˈpɪnaɪt; ˈpaɪ-)n
(Minerals) a greyish-green or brown mineral containing amorphous aluminium and potassium sulphates
[C19: from German Pinit, named after the Pini mine, Schneeberg, Saxony]
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Noun | 1. | pinite - grey or green or brown mineral similar to mica and containing aluminum and potassium sulphates mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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