Image: <div class="fn value"> <a href="//commons.wikimedia.org/wiki/User:Archaeodontosaurus" title="User:Archaeodontosaurus">Didier Descouens</a></div> (CC BY-SA 4.0)
cubiccommonSulfides
Pyrite
FeS2
Pyrite typically forms distinctive cubic, octahedral, or pyritohedral crystals, often with striations, and has a characteristic pale brass-yellow metallic luster.
Pyrite Physical Properties
Mohs Hardness
6Crystal System
cubicLuster
metallicStreak Color
greenish black to brownish blackCleavage
indistinct on {100}Fracture
conchoidal to unevenSpecific Gravity
5.01Colors
pale brass-yellow, goldenTransparency
opaqueType Locality
Trimouns Talc Mine, FranceMineral Group
SulfidesUses
sulfuric acid production, collector specimens, historical 'fool's gold'Associated Minerals
quartz, calcite, galena, sphalerite, chalcopyrite, goldRarity
commonGeological Context
Pyrite forms in a wide variety of geological environments, including igneous, metamorphic, and sedimentary rocks, often in hydrothermal veins, sedimentary deposits, and as an accessory mineral in many ore deposits.
