stephanite

[stef-uh-nahyt]

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noun

a mineral, silver antimony sulfide, Ag5SbS4: an ore of silver.

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Origin of stephanite

1840–50; named after Stephan, Archduke of Austria (died 1867); see -ite¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for stephanite

Historical Examples

Stephanite, stef′a-nīt, n. a metallic iron-black silver sulph-antimonite.
Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)
Various