penninite

American

[pen-uh-nahyt] / ˈpɛn əˌnaɪt /

Also pennine

noun

Mineralogy.

a member of the chlorite group, rhombohedral in habit.

penninite British

/ ˈpɛnɪˌnaɪt /

noun

a bluish-green variety of chlorite occurring in the form of thick crystals

"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

Etymology

Origin of penninite

1865–70; < German Pennin (after the Pennine Alps ) + -ite ¹

Example Sentences

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See Examples For:

penninite

Crystals of penninite are found in serpentine at Zermatt in Switzerland and in the green schists of the Zillerthal in Tirol.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023