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Physical Properties of Praseodymium and Thulium


Physical Properties of Thulium and Praseodymium


Physical Properties

Melting Point
935.00 °C   
99+
1,545.00 °C   
23

Boiling Point
3,130.00 °C   
27
1,730.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Grayish White   
Silvery Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Brinell Hardness
481.00 MPa   
24
471.00 MPa   
25

Vickers Hardness
400.00 MPa   
25
520.00 MPa   
21

Speed of Sound
2,280.00 m/s   
40
Not Available   

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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