mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness 6-6.5 on the Mohs scale, brass-yellow color, metallic luster, and cubic crystal system with conchoidal fracture.
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Physical properties
Hardness 6-6.5 on the Mohs scale, brass-yellow color, metallic luster, and cubic crystal system with conchoidal fracture.
Formation & geological history
Formed in hydrothermal veins, sedimentary rocks, and metamorphic environments through the precipitation of iron and sulfur.
Uses & applications
Used historically for ignition, currently in lithium-iron-phosphate batteries, sulfur extraction, and as a popular mineral specimen for collectors.
Geological facts
Commonly known as fool's gold due to its superficial resemblance to real gold, pyrite often forms perfect natural cubes.
Field identification & locations
Identified by its brassy metallic luster, high hardness that scratches glass, and dark green-black streak. Found worldwide in sedimentary shales and vein deposits.
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