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Physical Properties of Silver and Cobalt


Physical Properties of Cobalt and Silver


Physical Properties

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

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

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
2.50   
14
5.00   
8

Brinell Hardness
251.00 MPa   
37
470.00 MPa   
26

Vickers Hardness
229.00 MPa   
30
1,043.00 MPa   
11

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

Optical Properties
  
  

Reflectivity
97.00 %   
1
67.00 %   
11

Allotropes
No   
Yes   

α Allotropes
Not Available   
α-Cobalt   

β Allotropes
Not Available   
β-Cobalt   

γ Allotropes
Not Available   
Not Available   

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