boulangerite

[ boo-lan-juh-rahyt ]

noun

1. a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.

Word History and Origins

Origin of boulangerite¹

Named after C. L. Boulanger (1810–49), French mining engineer; -ite ¹

Example Sentences

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 Project Gutenberg