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bournonite

American  
[bawr-nuh-nahyt, bohr-, boor-] / ˈbɔr nəˌnaɪt, ˈboʊr-, ˈbʊər- /

noun

Mineralogy.

  1. a sulfide of lead, antimony, and copper, PbCuSbS 3 , occurring in gray to black crystals or granular masses.

Etymology

Origin of bournonite

1795–1805; named after Count J. L. de Bournon (died 1825), French mineralogist; see -ite 1

Example Sentences

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Antimony, however, occurs chiefly as the sulphide, stibnite; to a much smaller extent it occurs in combination with other metallic sulphides in the minerals wolfsbergite, boulangerite, bournonite, pyrargyrite, &c.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

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.