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)