Color: silvery-white
State at 25°C: solid
Density (g/cm3): 6.773
Hardness (Mohs): No data
Melting Point (K): 1071.2
Boiling Point (K): 3743
Heat of Fusion (kJ/mol): 8.9
Heat of Vaporization (kJ/mol): 398
Heat of Atomization (kJ/mol): 419
Therm. Conductivity (J/m sec K): 11.3
Elec. Conductivity (1/mohm cm): 13.333
Abundance, Solar System: 0.055
Abundance, Earth's Crust: 1.8
Pure Cost ($/100g): $ 57.00
Bulk Cost ($/100g):  
Source: Monazite (phosphate), bastnaesite