covellite
/kəʊˈvɛlʌɪt
/noun [mass noun]
A blue mineral consisting of copper sulphide, typically occurring as a coating on other copper minerals.Generally associated minerals included other silver amalgams, covellite, and pyrite....
- Outstanding in the display is a dark blue covellite group as well as plates of quartz.
- Good crystals of covellite have not been reported from the District.
Origin
Mid 19th century: named after Nicolò Covelli (1790–1829), Italian chemist, + -ite1.
- the length and breadth of
- the lesser evil (or the lesser of two evils)
- the Lido
- the lie (lay) of the land
- the life and soul of the party (the life of the party)
- the light of day
- the light of one's life
- the lights are on, but nobody's (or no one's)home
- the likes of
- the Line
- the line of least resistance
- the line (or path) of least resistance
- the lion's den
- the lion's share
- the Litany
- the little woman
- the Liturgy
- the living image of
- the long and the short of it
- the long (or strong) arm of the law
- the long/short/medium term
- Thelon River
- the Lords
- the Lord's Day
- the Lord's Prayer