Magnesium aluminium spinell (1MgO 3Al2O3:Co) Co doped (blue) Magnesium aluminium spinell (MgAl2O4:Co2+)
Dimensions of crystals, mm |
|
|
Length |
70 |
|
Diameter |
30 |
|
Syngony |
cubic |
|
Spatial group |
Fd3m |
|
Elementary cell parameters, nm |
0.8086 |
|
Modulus of elasticity |
2.3´105 |
|
Density, g/cm3 |
3.58 |
|
Mohs hardness |
8-9 |
|
Melting point, °C |
2105 |
|
Refraction index |
1.718-1.75 |
|
CoO concentration, mass.% |
0.05-0.3 |