mineral

Galena specimen

Galena (PbS), commonly associated with sphalerite and other sulfides

AI-generated identification · may be incorrect

Metallic lead-gray to silvery crystals with bright reflections; Mohs hardness 2.5, cubic crystal system, perfect cubic cleavage, and very high specific gravity (~7.4–7.6). The image suggests a galena-rich sulfide cluster, though exact identification requires testing.

Identified September 27, 2026More mineral →

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Physical properties

Formation & geological history

Forms mainly in hydrothermal veins and replacement deposits, often with sphalerite, pyrite, and quartz; mineralization spans many geological ages.

Uses & applications

Historically the principal lead ore, used in lead production and, in some deposits, as a source of silver; attractive specimens are collected rather than used for jewelry.

Geological facts

Galena’s notably heavy feel and cubic cleavage are hallmark features. Lead-bearing specimens should be handled with care; avoid dust and wash hands afterward.

Field identification & locations

Look for dense, metallic gray material that breaks into shiny cubes; common worldwide, including major deposits in the United States, Mexico, Australia, and Europe. The photo alone cannot confirm the mineral or locality.