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naumannite

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

noun

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


Etymology

Origin of naumannite

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