mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectMohs hardness of 6 to 6.5, brassy yellow to pale gray-brown color, metallic luster, cubic crystal system, conchoidal fracture.
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Physical properties
Mohs hardness of 6 to 6.5, brassy yellow to pale gray-brown color, metallic luster, cubic crystal system, conchoidal fracture.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and metamorphic deposits through low to high-temperature precipitation from aqueous solutions.
Uses & applications
Used historically for producing sulfur and sulfuric acid, in pyrite lighters, and collected widely as a mineral specimen.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to gold, though it is harder and leaves a greenish-black streak.
Field identification & locations
Identified easily by its brassy metallic color, high hardness, brittleness, and dark streak; found globally in various geological settings.
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