
mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness of 6-6.5 on the Mohs scale, brass-yellow to pale silver-gold color, metallic luster, isometric crystal system with distinct cubic or pyritohedral forms.
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Physical properties
Hardness of 6-6.5 on the Mohs scale, brass-yellow to pale silver-gold color, metallic luster, isometric crystal system with distinct cubic or pyritohedral forms.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and metamorphic deposits across a wide range of temperatures.
Uses & applications
Used historically for sparking fire, in the manufacture of sulfur and sulfuric acid, and popularly collected as a mineral specimen.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to real gold, though it is harder and more brittle.
Field identification & locations
Identified by its brassy metallic luster, cubic crystal habit, greenish-black streak, and inability to be scratched by a knife.