mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness of 6-6.5 on the Mohs scale, brassy yellow color with a metallic luster, isometric crystal system, and a greenish-black streak.
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Physical properties
Hardness of 6-6.5 on the Mohs scale, brassy yellow color with a metallic luster, isometric crystal system, and a greenish-black streak.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and metamorphic environments through the precipitation of iron and sulfur.
Uses & applications
Commonly used in education, mineral collections, and historically for producing sparks to start fires; minor source of sulfur.
Geological facts
Widely known as 'Fool's Gold' due to its superficial resemblance to real gold, though it is harder and more brittle.
Field identification & locations
Easily identified by its brassy metallic color, cubic crystal habits, and lack of malleability compared to gold. Found worldwide.
