covellite


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Related to covellite: Enargite

co·vel·lite

 (kō-vĕl′īt′, kō′və-līt′)
n.
A lustrous indigo-blue mineral, CuS, an important ore of copper.

[After Nicolò Covelli (1790-1829), Italian mineralogist.]

covellite

(kəʊˈvɛlaɪt; ˈkəʊvəˌlaɪt)
n
an indigo-blue copper sulphide ore, often referred to as blue copper or indigo copper

co•vel•lite

(koʊˈvɛl aɪt, ˈkoʊ vəˌlaɪt)

n.
a mineral, copper sulfide, CuS, indigo in color and usu. occurring as a massive coating on other copper minerals.
[1840–50; after NicolòCovelli (1790–1829), Italian mineralogist who found it; see -ite1]
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References in periodicals archive ?
Phase 2: Stronger and later overprinting mineralization events are also evident in most of the new drill holes, including widespread garnet-bearing skarns containing clots, veins, and disseminations of covellite, native copper, and bornite, with local formation of secondary chalcocite.
Several additional surface-reaching minerals were identified that did not contribute to the golden sheen: pyrite, baryte, covellite, zircon, muscovite, albite and K-feldspar.
Combined degradation of covellite by Thiobacillus thiooxidans and Thiobacillus ferrooxidans.
Medium to robust locally bornite, covellite and pyrite mineralization was seen from 461.
The mineralogy of the Copper lodes consists of chalcopyrite, pyrite, chalcocite, covellite and marcasite.
Other minerals present in the upper zone include bornite, covellite, chalcocite, prousite, hematite, kaolin, and illite-smectite.
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.
Direct and indirect mechanisms in the bacterial leaching of covellite.
This yields an environmentally benign solid leach residue, in the form of covellite, for pyrometallurgical treatment.