mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness 6-6.5 on Mohs scale, brassy yellow color with metallic luster, isometric crystal system forming cubes, greenish-black streak.
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Physical properties
Hardness 6-6.5 on Mohs scale, brassy yellow color with metallic luster, isometric crystal system forming cubes, greenish-black streak.
Formation & geological history
Formed in hydrothermal veins, sedimentary rocks, and metamorphic environments through the precipitation of iron and sulfur.
Uses & applications
Used historically for ignition, in the manufacture of sulfur and sulfuric acid, and widely collected as mineral specimens.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to actual gold, pyrite has been used since ancient times to strike fire.
Field identification & locations
Identified by its brassy metallic color, cubic crystal habit, and inability to be scratched by a knife. Found worldwide in various geological settings.
