polianite
[ poh-lee-uh-nahyt ]
nounMineralogy.
a variety of pyrolusite, MnO2, having well-developed crystals.
Origin of polianite
11840–50; <German Polianit, irregular <Greek poliaínesthai to grow white (with sea foam), derivative of poliós gray; see -ite1
Words Nearby polianite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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