mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness 6-6.5 on Mohs scale, brassy yellow color, metallic luster, cubic crystal system, specific gravity 5.0.
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Physical properties
Hardness 6-6.5 on Mohs scale, brassy yellow color, metallic luster, cubic crystal system, specific gravity 5.0.
Formation & geological history
Forms in igneous, metamorphic, and sedimentary rocks via hydrothermal veins, precipitation in reducing environments, and magmatic segregation.
Uses & applications
Historically used for striking fire, currently utilized in sulfuric acid production and occasionally in jewelry or specimen collections.
Geological facts
Known colloquially as 'Fool's Gold' due to its superficial resemblance to real gold, it often forms near quartz and other metallic sulfides.
Field identification & locations
Identified easily by its brassy color, high density, dark streak, and cubic or pyritohedral crystal habits found worldwide.
