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penninite

[pen-uh-nahyt] /ˈpɛn əˌnaɪt/
noun, Mineralogy
1.
a member of the chlorite group, rhombohedral in habit.
Also, pennine
[pen-in, -ahyn] /ˈpɛn ɪn, -aɪn/ (Show IPA)
.
Origin
1865-1870
1865-70; < German Pennin (after the Pennine Alps) + -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for pen nine

penninite

/ˈpɛnɪˌnaɪt/
noun
1.
a bluish-green variety of chlorite occurring in the form of thick crystals
Word Origin
C20: from German Pennin Pennine (Alps) + -ite1
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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5
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