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covellite

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co·vel·lite  (k-vlt, kv-lt)
n.
A lustrous indigo-blue mineral, CuS, an important ore of copper.
[After Nicolò Covelli (1790-1829), Italian mineralogist.]
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Copper minerals are atacamite and brochantite in the oxide zone; chalcocite, covellite, and pyrite in the enriched zone; and chalcopyrite, bornite, molybdenite, tennantite, and pyrite in the hypogene zone.
Economic Geology Models 1. Geochemical exploration and metallogenic ... by Cameron, Eion M.; Leybourne, Matthew I.; Palacios, Carlos; Reich, Martin / Geoscience Canada
Ore minerals include gold, silver, chalcopyrite (CuFeS2), galena (PbS), bornite (CuFeS4), covellite (CuS), chalcocite (Cu2S), anglesite (PbSO4), sphalerite (ZnS), argentite (Ag2S), cerussite (PbCO3) and smithsonite (ZnCO3).
US Canadian Minerals Inc. Upgrades C.O.D. Mine's Potential Reserves by Business Wire
Removal of the waste rock revealed the presence of some extreme unexpected and unknown high grade copper and silver ores, such as the important copper ore mineral bornite, the beautiful crystal covellite, and the high yielding copper ore cuprite.
Copper King Mining Corporation Provides Mining Updates by Business Wire
 
 
 
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