A rare mineral consisting of manganese, iron, and arsenic sulfides, typically found in ore deposits.
Named after the Armang district in Kazakhstan where this mineral was first identified. The suffix -ite is the standard geological convention for naming minerals, often honoring the location of discovery or a notable person.
Armangite is so rare that most people will never see it, yet scientists gave it a proper name because every mineral tells a story about Earth's geological history and what was happening in ancient rocks millions of years ago.
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