Copper Iron Sulfide
CuFeS2
|
Chemical name
Copper Iron Sulfide |
|
Mineral name
Chalcopyrite |
|
Chemical formula
CuFeS2 |
|
Melting point [°C]
950 |
|
Crystal system
tetragonal |
|
Crystal Class
tetragonal-scalenohedral (-4 2 m) |
|
Space Group
/-42d |
|
Unit cell
a [Å]:5.289 b [Å]:5.289 c [Å]:10.423 |
|
Molecular weight [g/mol]
183.52 |
|
Formula units
Z=4 |
|
Twinning
on {112} and {012} penetration and cyclic twins |
|
Mohs hardness
3.5 - 4 |
|
Density [g/cm3]
4.3 |
|
Cleavage
indistinct on {011} and {111} |
|
Fracture / Tenacity
brittle, uneven, conchoidal |
|
Color
brass yellow |
|
Streak
greenish black |
|
Transparency
opaque |
|
Luster
metallic |
|
Other
magnetic on heating |
