noun
- A group of dark red or black silver sulfide minerals, typically containing antimony or arsenic, valued as ores of silver.
Usage: mineralogy; plural form; singular is pyrargyrite; also called dark ruby silver
Examples
- Pyrargyrites are important secondary ores found in silver deposits.
- The museum's mineral collection includes several specimens of pyrargyrites from South America.
- Miners valued pyrargyrites for their high silver content.
- The deep red crystals of pyrargyrites are prized by collectors.
- Pyrargyrites typically form in the oxidized zones of silver-bearing ore bodies.