brochantite

brochantite
/broh shahn"tuyt/, n.
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.
[1860-65; named after A. Brochant de Villiers (1773-1840), French mineralogist; see -ITE1]

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      a copper sulfate mineral, its chemical formula being Cu4SO4(OH)6. It is ordinarily found in association with malachite, azurite, and other copper minerals in the oxidized zone of copper deposits, particularly in arid regions. The mineral occurs in such locations as Nassau, Ger.; Rio Tinto, Spain; Krísuvík, Ice.; and the southwestern United States. Brochantite is abundant in Arizona and Chile. For detailed physical properties, see sulfate mineral (table).

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Universalium. 2010.

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  • Brochantite — Broch an*tite, n. [From Brochant de Villiers, a French mineralogist.] (Min.) A basic sulphate of copper, occurring in emerald green crystals. [1913 Webster] || …   The Collaborative International Dictionary of English

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  • brochantite —    A cave mineral Cu4(SO4)(OH)6 [11] …   Lexicon of Cave and Karst Terminology

  • brochantite — bro·chant·ite …   English syllables

  • brochantite — brōˈshänˌtīt noun ( s) Etymology: A. J. F. M. Brochant de Villiers died 1840 French geologist + English ite : a mineral Cu4SO4(OH)6 consisting of a basic copper sulfate occurring in emerald green orthorhombic crystals or massive (hardness 3.5 4,… …   Useful english dictionary

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  • Brochantit — Kristallstufe aus Bisbee im Cochise County, Arizona, USA (Größe: 2,3 x 2,0 x 0,8 cm) Chemische Formel Cu4[(OH)6|(SO4)] Mineralklasse Sulfate (Selenate, T …   Deutsch Wikipedia

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