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Physical Properties of Calcium and Niobium


Physical Properties of Niobium and Calcium


Physical Properties

Melting Point
839.00 °C   
99+
2,468.00 °C   
6

Boiling Point
1,484.00 °C   
99+
2,468.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Gray   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
1.75   
17
6.00   
6

Brinell Hardness
170.00 MPa   
99+
735.00 MPa   
14

Vickers Hardness
Not Available   
870.00 MPa   
12

Speed of Sound
3,810.00 m/s   
19
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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