Color: silvery-white
State at 25°C: solid
Density (g/cm3): 0.856
Hardness (Mohs): 0.5
Melting Point (K): 336.5
Boiling Point (K): 1038.7
Heat of Fusion (kJ/mol): 2.4
Heat of Vaporization (kJ/mol): 88
Heat of Atomization (kJ/mol): 90
Therm. Conductivity (J/m sec K): 102.5
Elec. Conductivity (1/mohm cm): 138.9
Abundance, Solar System: 3.576
Abundance, Earth's Crust: 4.3
Pure Cost ($/100g): $ 85.00
Bulk Cost ($/100g):  
Source: Sylvite, carnallite (misc)