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Physical Properties of Erbium and Promethium


Physical Properties of Promethium and Erbium


Physical Properties

Melting Point
1,522.00 °C   
28
1,042.00 °C   
99+

Boiling Point
2,510.00 °C   
99+
3,000.00 °C   
31

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Unknown   

Luster
Lustrous   
Metallic   

Hardness
  
  

Brinell Hardness
814.00 MPa   
11
Not Available   

Vickers Hardness
589.00 MPa   
19
Not Available   

Speed of Sound
2,830.00 m/s   
28
Not Available   

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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