Color: | black |
State at 25°C: | solid |
Density (g/cm3): | 2.266 |
Hardness (Mohs): | 0.8 |
Melting Point (K): | 3823.2 |
Boiling Point (K): | No data |
Heat of Fusion (kJ/mol): | No data |
Heat of Vaporization (kJ/mol): | No data |
Heat of Atomization (kJ/mol): | 717 |
Therm. Conductivity (J/m sec K): | 1.59 |
Elec. Conductivity (1/mohm cm): | 0.727 |
Abundance, Solar System: | 7.004 |
Abundance, Earth's Crust: | 2.3 |
Pure Cost ($/100g): | $ 2.40 |
Bulk Cost ($/100g): | |
Source: | Coal, Petroleum, Natural gas |