Pyrite crystal structure
cubic

Pyrite

FeS2

Quick Facts

Hardness
6.5
Specific Gravity
4.95-5.10
Refractive Index
Metallic (opaque)

Crystal Structure

cubic[m3m]:{100}
cubic
m3m
{100}

Physical Properties

Crystal Systemcubic
Hardness (Mohs)6.5
Specific Gravity4.95-5.10
CleavagePoor {100}
FractureConchoidal to uneven
LustreMetallic

Optical Properties

Refractive IndexMetallic (opaque)
PleochroismNone

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cubic[m3m]:{100}