51Թ

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polianite

[ poh-lee-uh-nahyt ]

noun

Mineralogy.
  1. a variety of pyrolusite, MnO 2 , having well-developed crystals.
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51Թ History and Origins

Origin of polianite1

1840–50; < German Polianit, irregular < Greek DZíԱٳ󲹾 to grow white (with sea foam), derivative of DZó gray; -ite 1

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