FeS2Cubic
Pyrite
FeS2
SulfidesChemical FormulaFeS2
Crystal SystemCubic
Mohs Hardness6.5
Specific Gravity5.01
ColorBrass yellow
LusterMetallic
StreakGreenish black
CleavageNone
FractureConchoidal
Occurrence
Found in igneous, sedimentary, and metamorphic rocks. Known as fools gold.