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Physical Properties of Cobalt and Silver


Physical Properties of Silver and Cobalt


Physical Properties

Melting Point
1,495.00 °C   
29
961.93 °C   
99+

Boiling Point
2,870.00 °C   
34
2,212.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Silvery White   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
5.00   
8
2.50   
14

Brinell Hardness
470.00 MPa   
26
251.00 MPa   
37

Vickers Hardness
1,043.00 MPa   
11
229.00 MPa   
30

Speed of Sound
4,720.00 m/s   
14
2,680.00 m/s   
34

Optical Properties
  
  

Reflectivity
67.00 %   
11
97.00 %   
1

Allotropes
Yes   
No   

α Allotropes
α-Cobalt   
Not Available   

β Allotropes
β-Cobalt   
Not Available   

γ Allotropes
Not Available   
Not Available   

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