mineral
Galena
Lead(II) sulfide (PbS)
AI-generated identification · may be incorrectHardness of 2.5 on the Mohs scale, metallic luster, lead-gray color, and perfect cubic cleavage with high specific gravity.
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Physical properties
Hardness of 2.5 on the Mohs scale, metallic luster, lead-gray color, and perfect cubic cleavage with high specific gravity.
Formation & geological history
Forms in hydrothermal veins associated with limestone, commonly precipitated from ore-bearing fluids at moderate to high temperatures.
Uses & applications
Primary ore of lead, historically used in glazes, pigments, and early radio crystal detectors.
Geological facts
Galena is one of the most abundant and widely distributed sulfide minerals, often containing significant amounts of silver.
Field identification & locations
Easily identified in the field by its high density, cubic crystal habit, and dark gray streak; found globally in major ore deposits.
