naumannite

[ naw-muh-nahyt, nou- ]
/ ˈnɔ məˌnaɪt, ˈnaʊ- /

noun

a mineral, silver-lead selenide, (Ag2Pb)Se, usually occurring in iron-black cubic crystals.

Origin of naumannite

1840–50; after Karl F. Naumann, (1797–1873), German mineralogist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019