a mineral, hydrous copper sulfate, Cu4(OH)6SO4, occurring in green fibrous masses and similar in physical properties to antlerite: formerly a major ore of copper.
Origin of brochantite
1860–65; named after A. Brochant de Villiers (1773–1840), French mineralogist; see -ite1
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Examples from the Web for brochantite
Historical Examples of brochantite
Brochantite is a subsulphate of copper observed in small crystals at Ekaterinenbourg in Siberia.