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Physical Properties of Cobalt and Cobalt

Cobalt
Cobalt
Physical Properties of Cobalt and Cobalt


Physical Properties
Melting Point
1,495.00 °C   
29
1,495.00 °C   
29
Boiling Point
2,870.00 °C   
34
2,870.00 °C   
34
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
5.00   
8
5.00   
8
Brinell Hardness
470.00 MPa   
26
470.00 MPa   
26
Vickers Hardness
1,043.00 MPa   
11
1,043.00 MPa   
11
Speed of Sound
4,720.00 m/s   
14
4,720.00 m/s   
14
Optical Properties
  
  
Reflectivity
67.00 %   
11
67.00 %   
11
Allotropes
Yes   
Yes   
α Allotropes
α-Cobalt   
α-Cobalt   
β Allotropes
β-Cobalt   
β-Cobalt   
γ Allotropes
Not Available   
Not Available   
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