naumannite

[ naw-muh-nahyt, nou- ]

noun

1. a mineral, silver-lead selenide, (Ag 2 Pb)Se, usually occurring in iron-black cubic crystals.

Word History and Origins

Origin of naumannite¹

1840–50; after Karl F. Naumann, (1797–1873), German mineralogist; -ite ¹

Example Sentences

"Well, sometimes selenium is found in combination with metals, in the form of selenides, the more important minerals of that kind being eucharite, crooksite, clausthalite, naumannite and zorgite--" "Good night!" interrupted Ned, with a laugh, holding up his hands.

From Project Gutenberg