PbS – Mohs Hardness: 2½ - 3. Galena is the primary ore of lead, and an important source of silver. In some deposits galena contains 1-2 percent silver, a byproduct that far outweighs its lead value. Lead’s main use is in the production of lead-acid batteries, invented in 1859 and still used in motor vehicles. Galena is found worldwide.
UT Department of Environmental Sciences
The University of Toledo
Digital Initiatives, University of Toledo Libraries
environmental sciences; virtual exhibitions
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