A black manganese oxide mineral that is an important ore of manganese.
Named after Frederic Bixby, an American mineralogist and mining engineer who first identified it in Arizona. The mineral suffix '-ite' is standard in mineralogy.
Bixbyite was discovered in Arizona and is so manganese-rich that it's basically nature's own concentrated manganese source—manganese that goes into steel, batteries, and even welding rods.
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