Historical reference: Do not rely on this information. It is very old. About this collection
Argentite, or Silver Glance, silver sulphide, is one of the commonest ores of the metal. It is of a blackish lead-grey, and generally massive, though occurring in cubes and in dendritic forms. It is metallic, soft, sectile, soluble in dilute nitric acid and readily fusible, and has a specific gravity of 7.2 to 7.3.