close pyrite mineral commonly known fool gold found many

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Close-up of a pyrite mineral, commonly known as "fool's gold," found in many geological environments. Exhibiting a metallic luster, its cubic crystals cluster together, showcasing a shiny, brass-yellow color that resembles gold. The surface features sharp, angular edges with intricate, interlocking facets giving it a geometric appearance. This formation is often seen in sedimentary rocks and hydrothermal veins, widely collected for its aesthetic appeal and educational value in geology. Pyrite is composed of iron sulfide (FeS?).