Nickel Oxide NiO type
NiO
|
Chemical name
Nickel Oxide NiO type |
|
Chemical formula
NiO |
|
Melting point [°C]
1984 |
|
Crystal system
cubic |
|
Crystal Class
cubic-hexoctahedral (4/m -3 2/m) |
|
Space Group
Fm-3m |
|
Unit cell
a [Å]:4.18 b [Å]:4.18 c [Å]:4.18 |
|
Molecular weight [g/mol]
74,69 |
|
Formula units
Z=4 |
|
Mohs hardness
5.5 |
|
Density [g/cm3]
6.8 |
|
Cleavage
none |
|
Fracture / Tenacity
uneven |
|
Color
dark pistachio-green |
|
Streak
brownish-black |
|
Transparency
transparent |
|
Luster
vitreous |
|
Optical character
isotropic |
|
Refractive Index
n=2.370 |
|
Other
very high relief |
