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Galena is one of the most abundant and widely distributed sulfide minerals, and is the most common ore of lead. Crystals are usually cubic, sometimes octahedral. It is often associated with the minerals sphalerite and fluorite. Galena deposits sometimes contain significant amounts of silver as an impurity, and these galenas have long been the most important ore of silver in mining.
PbS - Lead Sulfide
Class
Group:
Galena
Lead-gray to silver-gray
Gray
Metallic
Opaque
7.6
2.5
Perfect
Conchoidal
Cubic crystals and their complex combinations, tabular crystals, skeletal aggregates, massive
Non-fluorescent
Frequency:
Common
Origin:
Magmatic, hydrothermal, metamorphic, very rare sedimentary, associated with sphalerite, chalcopyrite, pyrite, quartz and other minerals.

Occurence:
Joplin, Missouri, USA; Galena, Kansas, USA; Naica, Chihuahua, Mexico; Hunan Province, China.
Application:
The most important Pb (lead) ore, mineral specimen
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