Pyrite
Image: <a href="//commons.wikimedia.org/wiki/User:Bultro" title="User:Bultro">Bultro</a> (CC BY-SA 4.0)
Mineral NamePyrite
Chemical FormulaFeS₂
Mohs Hardness6
Crystal Systemcubic
Lustermetallic
Streak Colorgreenish-black
Cleavageindistinct
Fractureconchoidal
Specific Gravity5
Colorspale brass-yellow, gold
Transparencyopaque
Type LocalityLogroño, Spain
Mineral GroupSulfides
Usescollector, industrial (sulfuric acid production), jewelry (rarely)
Associated Mineralsquartz, chalcopyrite, sphalerite, galena, gold
Raritycommon
Description
The image displays a specimen of pyrite, characterized by its distinctive cubic crystal habit and a bright, metallic brass-yellow color.
Geological Context
Pyrite is a common sulfide mineral found in a wide range of geological settings, including hydrothermal veins, sedimentary rocks, metamorphic rocks, and igneous rocks, often forming under anoxic conditions.
