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Physical Properties of Hafnium and Lanthanum


Physical Properties of Lanthanum and Hafnium


Physical Properties

Melting Point
2,150.00 °C   
10
920.00 °C   
99+

Boiling Point
5,400.00 °C   
5
3,469.00 °C   
18

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Silvery White   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
5.50   
7
2.50   
14

Brinell Hardness
1,450.00 MPa   
6
350.00 MPa   
30

Vickers Hardness
1,520.00 MPa   
5
360.00 MPa   
26

Speed of Sound
3,010.00 m/s   
27
2,475.00 m/s   
37

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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