Color: silvery-white
State at 25°C: solid
Density (g/cm3): 8.559
Hardness (Mohs): No data
Melting Point (K): 1682.2
Boiling Point (K): 2873
Heat of Fusion (kJ/mol): 17.2
Heat of Vaporization (kJ/mol): 280
Heat of Atomization (kJ/mol): 291
Therm. Conductivity (J/m sec K): 10.7
Elec. Conductivity (1/mohm cm): 10
Abundance, Solar System: -0.404
Abundance, Earth's Crust: 0.5
Pure Cost ($/100g): $ 210.00
Bulk Cost ($/100g):  
Source: Monazite (phosphate), bastnaesite