One of the mysteries of the English language finally explained.
A blue mineral consisting of copper sulphide, typically occurring as a coating on other copper minerals.
- ‘Outstanding in the display is a dark blue covellite group as well as plates of quartz.’
- ‘In a similar reaction, it can also help to retrieve copper from chalcopyrite and covellite (CuS).’
- ‘Some of the chalcopyrite is rimmed by bornite and more rarely by covellite and/or chalcocite.’
- ‘Generally associated minerals included other silver amalgams, covellite, and pyrite.’
- ‘Good crystals of covellite have not been reported from the District.’
Mid 19th century: named after Nicolò Covelli (1790–1829), Italian chemist, + -ite.
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