brochantite

[ broh-shahn-tahyt ]

noun

1. a mineral, hydrous copper sulfate, Cu 4 (OH) 6 SO 4 , occurring in green fibrous masses and similar in physical properties to antlerite: formerly a major ore of copper.

Word History and Origins

Origin of brochantite¹

1860–65; named after A. Brochant de Villiers (1773–1840), French mineralogist; -ite ¹

Example Sentences

Brochantite is a subsulphate of copper observed in small crystals at Ekaterinenbourg in Siberia.

From Project Gutenberg