Color: | gray |
State at 25°C: | solid |
Density (g/cm3): | 7.874 |
Hardness (Mohs): | 4.5 |
Melting Point (K): | 1808.2 |
Boiling Point (K): | 3023 |
Heat of Fusion (kJ/mol): | 14.9 |
Heat of Vaporization (kJ/mol): | 351 |
Heat of Atomization (kJ/mol): | 418 |
Therm. Conductivity (J/m sec K): | 72.8 |
Elec. Conductivity (1/mohm cm): | 102.987 |
Abundance, Solar System: | 5.954 |
Abundance, Earth's Crust: | 4.8 |
Pure Cost ($/100g): | $ 6.70 |
Bulk Cost ($/100g): | $ 0.02 |
Source: | Hematite, magnetite(oxide) |