Copper Sulfide:CuS
CuS
|
Chemical name
Copper Sulfide:CuS |
|
Mineral name
Covellite |
|
Chemical formula
CuS |
|
Crystal system
hexagonal |
|
Crystal Class
Dihexagonal dipyramidal (6/mmm)
H–M Symbol (6/m 2/m 2/m) |
|
Unit cell
a [Å]:3.80 b [Å]:- c [Å]:16.36 |
|
Formula units
Z=6 |
|
Mohs hardness
1.5 - 2 |
|
Cleavage
Perfect on {0001} |
|
Fracture / Tenacity
Flexible |
|
Color
Indigo-blue or darker, commonly highly iridescent, brass-yellow to deep red |
|
Streak
Lead gray |
|
Luster
Submetallic, inclining to resinous to dull |
|
Refractive Index
nω = 1.450,
nε = 2.620 |
|
Pleochroism δ
Marked, deep blue to pale blue |
|
Other
Micaceous cleavage |
