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penninite

[ pen-uh-nahyt ]

noun

, Mineralogy.
  1. a member of the chlorite group, rhombohedral in habit.

penninite

/ ˈpɛnɪˌnaɪt /

noun

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

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Word History and Origins

Origin of penninite1

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

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Word History and Origins

Origin of penninite1

C20: from German Pennin Pennine (Alps) + -ite 1

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