mineral

Galena-bearing ore (probable)

Galena, lead sulfide (PbS), possibly with sphalerite or metallic sulfides

AI-generated identification · may be incorrect

Dark gray to silver-gray, metallic luster, irregular fracture with possible cubic cleavage; galena has Mohs hardness 2.5–2.75 and very high specific gravity (~7.5). The granular, bright metallic texture is consistent with a sulfide ore, though the photo cannot confirm composition.

Identified August 25, 2026More mineral →

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Physical properties

Formation & geological history

Forms mainly in hydrothermal veins and carbonate-replacement deposits when metal-rich fluids cool in fractures; deposits range from Paleozoic to modern geological ages.

Uses & applications

Galena is the principal ore of lead and historically an important source of silver; specimens are collected, but lead-bearing material should not be handled excessively or used in jewelry.

Geological facts

Its cubic cleavage and unusually heavy feel are diagnostic. Avoid inhaling dust, washing hands after handling, and keep it away from children and food.

Field identification & locations

Commonly found in the United States, Mexico, Peru, Australia, China, and Europe. Confirm with density, cubic cleavage, and streak testing only with proper safety precautions; acid or laboratory analysis is preferable.