mineral

Native silver fragment (probable)

Silver, Ag; possibly silver-bearing sulfide or plated metal

AI-generated identification · may be incorrect

Irregular, twisted metallic fragment with bright silver-gray luster and darker tarnish; native silver is very soft (Mohs 2.5–3), malleable, and has cubic crystal symmetry, though no crystals are visible. The image alone cannot exclude tin, aluminum, lead, or manufactured metal.

Identified September 1, 2026More mineral →

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Physical properties

Formation & geological history

Native silver forms through hydrothermal deposition in veins, commonly with quartz, sulfides, and copper or lead minerals; deposits range from Precambrian to modern hydrothermal systems. A human-made metal fragment is also possible.

Uses & applications

Native silver is collected as a mineral and used for jewelry, bullion, electronics, photography, solder, and antimicrobial applications; specimen value depends strongly on authenticity and silver content.

Geological facts

Silver tarnishes black from sulfur compounds and is extremely ductile, allowing natural specimens to appear wire-like or twisted. A streak, density, acid, and conductivity test can help distinguish it from look-alike metals.

Field identification & locations

Common localities include Mexico, Peru, Bolivia, Canada, Norway, and the United States, especially Colorado and Michigan. Confirm with unusually high density (about 10.5), malleability, metallic streak, and professional testing; avoid destructive tests on valuable pieces.