1. A dark gray or black mineral form of silver sulfide (Ag₂S), an important ore of silver.
Usage: mineralogy; also called acanthite in its low-temperature form

Examples

• Argentite is one of the primary ores mined for silver extraction.
• The geologist identified argentite crystals in the rock sample under the microscope.
• Argentite deposits are found in hydrothermal veins around the world.
• The dark metallic luster of argentite makes it easy to distinguish from other minerals.
• Silver miners have valued argentite for centuries as a rich source of the precious metal.