Color: | gray-white |
State at 25°C: | solid |
Density (g/cm3): | 7.43 |
Hardness (Mohs): | 5 |
Melting Point (K): | 1517.2 |
Boiling Point (K): | 2333 |
Heat of Fusion (kJ/mol): | 14.4 |
Heat of Vaporization (kJ/mol): | 220 |
Heat of Atomization (kJ/mol): | 281 |
Therm. Conductivity (J/m sec K): | 7.81 |
Elec. Conductivity (1/mohm cm): | 5.405 |
Abundance, Solar System: | 3.980 |
Abundance, Earth's Crust: | 3 |
Pure Cost ($/100g): | $ 1.70 |
Bulk Cost ($/100g): | |
Source: | Pyrolusite, psilomelane (oxide) |