mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness 6-6.5 on Mohs scale, brassy yellow color, metallic luster, isometric crystal system, uneven fracture, specific gravity 5.0.
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Physical properties
Hardness 6-6.5 on Mohs scale, brassy yellow color, metallic luster, isometric crystal system, uneven fracture, specific gravity 5.0.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and metamorphic deposits through low to high-temperature geological processes.
Uses & applications
Used historically for producing sparks, historically for sulfur dioxide production, and popularly as a mineral specimen for collectors.
Geological facts
Commonly known as Fool's Gold due to its superficial resemblance to real gold, though it is much harder and leaves a greenish-black streak.
Field identification & locations
Easily identified by its brassy metallic luster, high hardness that scratches glass, and cubic or pyritohedral crystal habits.
