kōˈveˌlīt, ˈkōvəˌ- noun
also co·vel·line -ˌlēn
( -s )
Etymology: covellite from covell ine + -ite; covelline from French, from Niccolò Covelli died 1829 Italian chemist who discovered it + French -ine
: a native copper sulfide CuS — called also indigo copper