mineral
Galena
Lead 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 a 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 a high specific gravity.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and replacement deposits worldwide through precipitation from mineralizing solutions.
Uses & applications
Historically the world's primary ore of lead and an important source of silver, used in batteries, radiation shielding, and early radio receivers.
Geological facts
Galena is a very dense mineral with a high metallic weight, and its cubic crystal system often forms striking interlocking cubes.
Field identification & locations
Easily identified in the field by its heavy weight, dark gray metallic streak, and distinct cubic cleavage fragments.
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