Color: bluish-black
State at 25°C: solid
Density (g/cm3): 4.94
Hardness (Mohs): No data
Melting Point (K): 386.7
Boiling Point (K): 458.4
Heat of Fusion (kJ/mol): 15.3
Heat of Vaporization (kJ/mol): 42
Heat of Atomization (kJ/mol): 107
Therm. Conductivity (J/m sec K): 0.45
Elec. Conductivity (1/mohm cm): 0
Abundance, Solar System: -0.046
Abundance, Earth's Crust: -0.3
Pure Cost ($/100g): $ 8.30
Bulk Cost ($/100g):  
Source: Brines, Chilean nitrate (misc)