mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness of 6-6.5 on the Mohs scale, brassy yellow color with a metallic luster, cubic crystal system, and no distinct cleavage.
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Physical properties
Hardness of 6-6.5 on the Mohs scale, brassy yellow color with a metallic luster, cubic crystal system, and no distinct cleavage.
Formation & geological history
Forms in hydrothermal veins, sedimentary rocks, and metamorphic deposits through the precipitation of iron and sulfur.
Uses & applications
Used historically for sparking fire, in the production of sulfur and sulfuric acid, and frequently collected as a mineral specimen.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to real gold, though it is much harder and lighter.
Field identification & locations
Identified by its brassy metallic color, cubic crystals, and dark streak; found worldwide in varied geological environments.
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FeO(OH)•nH2O
mineral
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sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
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Igneous Pegmatite
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Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic