mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness of 6-6.5 on the Mohs scale, brassy yellow color, metallic luster, isometric crystal system with distinct cubic habit, and greenish-black streak.
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Physical properties
Hardness of 6-6.5 on the Mohs scale, brassy yellow color, metallic luster, isometric crystal system with distinct cubic habit, and greenish-black streak.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and metamorphic deposits through the precipitation of iron and sulfur under reducing conditions.
Uses & applications
Historically used for striking fire, currently utilized in sulfuric acid production, lithium-ion battery research, and as a popular mineral specimen for collectors.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to real gold, though pyrite is harder, lighter, and leaves a dark streak.
Field identification & locations
Identified by its brassy metallic luster, cubic crystal habit, and high specific gravity; found worldwide notably in Peru, Spain, and the United States.
