
mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness of 6 to 6.5 on the Mohs scale, brass-yellow color, metallic luster, isometric crystal system, and a greenish-black streak.
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Physical properties
Hardness of 6 to 6.5 on the Mohs scale, brass-yellow color, metallic luster, isometric crystal system, and a greenish-black streak.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and metamorphic deposits through the precipitation of iron and sulfur under reducing conditions.
Uses & applications
Used in the manufacture of sulfur and sulfuric acid, historical fire-starting, and as a popular specimen for mineral collectors.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to real gold, pyrite can also contain trace amounts of gold and silver.
Field identification & locations
Easily identified by its pale brass-yellow color, high specific gravity, metallic luster, and brittle cubic crystals.