mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness of 6-6.5 on Mohs scale, brassy yellow color with a metallic luster, and isometric crystal system with cubic or octahedral habits.
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Physical properties
Hardness of 6-6.5 on Mohs scale, brassy yellow color with a metallic luster, and isometric crystal system with cubic or octahedral habits.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and metamorphic deposits through the precipitation of iron and sulfur.
Uses & applications
Historically used to strike fire, currently utilized in the manufacture of sulfur dioxide and sulfuric acid, and popular among collectors.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to real gold, and produces a greenish-black streak.
Field identification & locations
Identified easily by its brassy color, high hardness, brittle nature, and conchoidal fracture. Found globally, especially in Peru, Spain, and the USA.
