Acanthite is a silver sulfide mineral that is commonly found in silver ores. There are several synonyms for this mineral, including silver sulfide, argentite, argentiferous galena, and argentite. These terms may be used interchangeably depending on the context in which they are used. Acanthite is typically found in high-temperature hydrothermal veins and is often associated with silver, lead, and zinc minerals. It is a soft, greyish-black mineral with a metallic luster. Due to its high silver content, acanthite is an important mineral for silver extraction and processing. Overall, this mineral has several synonyms that are commonly used in geology and mining contexts.