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Brochantite   Listen
noun
Brochantite  n.  (Min.) A basic sulphate of copper, occurring in emerald-green crystals.






Collaborative International Dictionary of English 0.48








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"Brochantite" Quotes from Famous Books



... copper, mined in the Lake Superior region, is the source of 8 to 10 per cent of the world's copper supply. The oxide group of minerals—including the copper carbonates, azurite and malachite; the silicate, chrysocolla; the oxide, cuprite; the sulphates, chalcanthite and brochantite; and some native copper associated with these minerals—probably supplies another 5 per cent. The remaining 85 per cent is derived from the sulphide group. Of the sulphide group by far the most important mineral is chalcocite (cuprous sulphide), which supplies ...
— The Economic Aspect of Geology • C. K. Leith



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