Physical Properties of Praseodymium and Darmstadtium
Melting Point
Not Available
  
Boiling Point
3,130.00 °C
  
27
Not Available
  
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Grayish White
  
Unknown
  
Luster
Metallic
  
Unknown Luster
  
Hardness
  
  
Brinell Hardness
Not Available
  
Vickers Hardness
Not Available
  
Speed of Sound
2,280.00 m/s
  
40
5,090.00 m/s
  
9
Optical Properties
  
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available