Galena is a mineral, an ore of lead, lead sulfide (PbS). Galena is one of the most abundant and widely distributed sulfide minerals, and is the main 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.
Galena is a common and popular mineral for rock hounds.
The structure of Galena is identical to that of halite, NaCl.
Galena is a natural semiconductor and so the forerunner, the enabler, of all the electronic gadgets we have today, from telephones to TVs to GPS navigating systems as well as all sorts of medical equipment -- in short, modern life as we know it.
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