1. a black or dark gray mineral consisting of copper oxide, used as an ore of copper
Usage: mineralogy

Examples

• The geologist identified tenorite in the rock sample from the copper mine.
• Tenorite forms when copper sulfide minerals are oxidized near the surface.
• The dark coating on the ancient copper artifacts was primarily tenorite.
• Mining companies extract copper from tenorite deposits in arid regions.
• Tenorite crystals are rarely well-formed due to their typical occurrence as masses.
• The mineral collection included a specimen of tenorite from Arizona.