1. a dark blue mineral consisting of copper sulfide, used as an ore of copper
Usage: mineralogy

Examples

• The geologist identified covellite in the rock sample from the copper mine.
• Covellite often forms as a secondary mineral in copper deposits.
• The dark blue crystals were confirmed to be covellite through X-ray analysis.
• Mining companies extract copper from covellite and other copper-bearing minerals.
• Covellite typically occurs in the oxidized zones of copper ore bodies.