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