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stephanite

American  
[stef-uh-nahyt] / ˈstɛf əˌnaɪt /

noun

  1. a mineral, silver antimony sulfide, Ag 5 SbS 4 : an ore of silver.

Etymology

Origin of stephanite

1840–50; named after Stephan, Archduke of Austria (died 1867); -ite 1

Example Sentences

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Other minerals which yield a minor percentage of the total silver produced are the silver-antimony sulphides, pyrargyrite or "ruby silver," stephanite or "black silver," and polybasite; the silver-arsenic sulphides, proustite or "light ruby silver" and pearcite; and the silver antimonide, dyscrasite.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.