mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness of 6 to 6.5 on the Mohs scale, brass-yellow color, metallic luster, isometric crystal system, and a greenish-black streak.
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Physical properties
Hardness of 6 to 6.5 on the Mohs scale, brass-yellow color, metallic luster, isometric crystal system, and a greenish-black streak.
Formation & geological history
Formed in hydrothermal veins, sedimentary rocks, and metamorphic deposits through the precipitation of iron and sulfur.
Uses & applications
Used historically for ignition in firearms, currently utilized in sulfur and sulfuric acid production, and popular among mineral collectors.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to real gold, though it is harder and more brittle.
Field identification & locations
Identified by its brassy metallic sheen, high hardness that resists scratching by a knife, and cubic crystal habits; found worldwide.
