Argyrodite is a rare mineral that is a sulfide of silver and germanium, with the chemical formula Ag8GeS6. It typically occurs in the form of metallic gray to black crystals and is often found in hydrothermal veins alongside other silver minerals. The name comes from the Greek word “argyros,” meaning silver, and “de” indicating it contains germanium. Argyrodite is notable for its silver content and is of interest to mineral collectors and for its potential applications in electronics and other industries.