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pigeonite

[pij-uh-nahyt]
noun Mineralogy.
  1. a monoclinic variety of pyroxene consisting mainly of a mixture of (MgFe)SiO3 and CaMg(SiO3)2.
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Origin of pigeonite

1895–1900; named after Pigeon Point, NE Minnesota; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018