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Physical Properties of Erbium and Cobalt


Physical Properties of Cobalt and Erbium


Physical Properties

Melting Point
1,522.00 °C   
28
1,495.00 °C   
29

Boiling Point
2,510.00 °C   
99+
2,870.00 °C   
34

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Gray   

Luster
Lustrous   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
5.00   
8

Brinell Hardness
814.00 MPa   
11
470.00 MPa   
26

Vickers Hardness
589.00 MPa   
19
1,043.00 MPa   
11

Speed of Sound
2,830.00 m/s   
28
4,720.00 m/s   
14

Optical Properties
  
  

Reflectivity
Not Available   
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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