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Physical Properties of Praseodymium and Hafnium


Physical Properties of Hafnium and Praseodymium


Physical Properties

Melting Point
935.00 °C   
99+
2,150.00 °C   
10

Boiling Point
3,130.00 °C   
27
5,400.00 °C   
5

Appearance
  
  

Physical State
Solid   
Solid   

Color
Grayish White   
Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
5.50   
7

Brinell Hardness
481.00 MPa   
24
1,450.00 MPa   
6

Vickers Hardness
400.00 MPa   
25
1,520.00 MPa   
5

Speed of Sound
2,280.00 m/s   
40
3,010.00 m/s   
27

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

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