Iron Sulfide Cubic
FeS2
|
Chemical name
Iron Sulfide Cubic |
|
Mineral name
Pyrite |
|
Chemical formula
FeS2 |
|
Crystal system
cubic |
|
Crystal Class
cubic-disdodecahedron (2/m -3) |
|
Space Group
Pa-3 |
|
Unit cell
a [Å]:5.42 b [Å]:5.42 c [Å]:5.42 |
|
Molecular weight [g/mol]
87,91 |
|
Formula units
Z=4 |
|
Twinning
penetration and contact twinning |
|
Mohs hardness
6 - 6.5 |
|
Density [g/cm3]
4.8 - 5 |
|
Cleavage
indistinct on {001} |
|
Fracture / Tenacity
brittle, uneven, sometimes conchoidal |
|
Color
pale brass-yellow reflective, tarnishes darker |
|
Streak
greenish- to brownish-black |
|
Transparency
opaque |
|
Luster
metallic |
|
Other
paramagnetic |
