mineral
Pyrite
Iron Sulfide (FeS2)
AI-generated identification · may be incorrectHardness of 6-6.5 on Mohs scale, brass-yellow color with a metallic luster, and isometric crystal system with cubic or octahedral habits.
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Physical properties
Hardness of 6-6.5 on Mohs scale, brass-yellow color with a metallic luster, and isometric crystal system with cubic or octahedral habits.
Formation & geological history
Forms in a wide range of geological environments, including hydrothermal veins, sedimentary rocks, and metamorphic deposits.
Uses & applications
Historically used to strike fire, currently used in the manufacture of sulfur and sulfuric acid, and popular among mineral collectors.
Geological facts
Commonly known as 'Fool's Gold' due to its superficial resemblance to gold, and sparks when struck against steel.
Field identification & locations
Identified by its brass-yellow color, high hardness, brittle tenacity, and greenish-black streak; found globally.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Limonite
FeO(OH)•nH2O
mineral
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic