mineral

Likely galena-bearing ore

Galena (PbS), possibly with sphalerite or other sulfides

AI-generated identification · may be incorrect

Dark gray to black, metallic luster, irregular massive texture; galena has Mohs hardness 2.5–3, very high specific gravity (~7.5), cubic cleavage, and a lead-gray streak. The image alone cannot confirm composition.

Identified August 30, 2026More mineral →

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Physical properties

Formation & geological history

Forms in hydrothermal sulfide veins and replacement deposits, commonly with sphalerite, pyrite, and quartz; ages range from Precambrian to recent geologic settings.

Uses & applications

Historically the principal lead ore, also used for silver recovery; specimens are mainly collected. Avoid handling dust or using it near food because lead sulfides are toxic.

Geological facts

Galena’s exceptionally high density and bright metallic appearance are distinctive; fresh fractures may show cubic cleavage surfaces.

Field identification & locations

Common in mining districts worldwide, including Missouri, Idaho, Colorado, Peru, Mexico, and Australia. Test cautiously by heft, streak, cleavage, and density; do not scratch or crush it indoors.