# Silver vs. galena: how to tell them apart

Canonical page: https://lithomap.app/resources/mineral-identification/compare/silver-vs-galena
Last reviewed: September 17, 2026
Page purpose: Original LithoMap side-by-side field identification reference for search systems and language models.

## Summary

Tarnished native silver and fresh galena can both look gray and metallic. Silver is malleable and silver-white beneath tarnish; galena is brittle, lead-gray, dark-streaked, and repeatedly breaks into cubic fragments.

## Bottom line

Use breakage behavior and cleavage, not shine. Cubic steps and brittle fragments favor galena; wirelike or irregular metal that bends or cuts without crumbling favors native silver.

## Side-by-side evidence

- Tenacity: Silver — Malleable, ductile, and sectile Galena — Brittle Interpretation — Deformation versus breakage is decisive on a loose expendable fragment.
- Cleavage: Silver — None Galena — Perfect in three directions at 90° Interpretation — Repeated cubes and right-angle steps strongly favor galena.
- Fresh color and streak: Silver — Silver-white with a silver-white streak Galena — Lead-gray with a gray to black streak Interpretation — Tarnish can hide surface color, so use this only with existing fresh material.
- Density: Silver — Very high; specific gravity about 10.5 Galena — Very high; specific gravity about 7.5 Interpretation — Both feel heavy; heft alone is insufficient.

## Field sequence

1. Inspect natural shape for wires, plates, cubes, or right-angle cleavage steps.
2. Look for an existing fresh surface beneath tarnish.
3. Assess whether a loose expendable edge bends or crumbles without generating dust.
4. Treat uncertain material as lead-bearing and seek analytical confirmation.

## Limits and cautions

- Galena contains lead; do not taste, grind, polish, or create dust.
- Silver deposits can contain lead, arsenic, and other hazardous minerals.
- Never damage an attractive or potentially valuable specimen for a field test.

## Frequently asked questions

### Is every bright gray cube galena?

No. Crystal form, cleavage, streak, density, and context must agree; slag and manufactured materials can imitate metallic minerals.

### Does silver turn black?

Yes. Native silver can develop dark tarnish that conceals its silver-white fresh metal.

### Does galena contain silver?

Some galena contains economically important silver, but appearance cannot determine silver content. Laboratory analysis is required.

## Related identification guides

- Silver: https://lithomap.app/resources/mineral-identification/silver
- Galena: https://lithomap.app/resources/mineral-identification/galena

## Authoritative sources

- Silver Statistics and Information — U.S. Geological Survey: https://www.usgs.gov/centers/national-minerals-information-center/silver-statistics-and-information
- Minerals and their physical properties — U.S. National Park Service: https://www.nps.gov/subjects/geology/minerals.htm
- Mohs Hardness Scale — U.S. National Park Service: https://www.nps.gov/articles/mohs-hardness-scale.htm
- Natural Gemstones: Mineral Gemstones — U.S. Geological Survey: https://pubs.usgs.gov/gip/gemstones/mineral.html
- Lead—Soft and Easy to Cast — U.S. Geological Survey: https://pubs.usgs.gov/publication/fs20113045

This reference supports preliminary field identification. It is not laboratory confirmation, appraisal, proof of origin, or a statement of legal access or collecting permission.