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Physical Properties of Praseodymium and Niobium


Physical Properties of Niobium and Praseodymium


Physical Properties

Melting Point
935.00 °C   
99+
2,468.00 °C   
6

Boiling Point
3,130.00 °C   
27
2,468.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Grayish White   
Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
6.00   
6

Brinell Hardness
481.00 MPa   
24
735.00 MPa   
14

Vickers Hardness
400.00 MPa   
25
870.00 MPa   
12

Speed of Sound
2,280.00 m/s   
40
3,480.00 m/s   
21

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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