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Physical Properties of Thulium and Thorium


Physical Properties of Thorium and Thulium


Physical Properties

Melting Point
1,545.00 °C   
23
1,750.00 °C   
17

Boiling Point
1,730.00 °C   
99+
4,790.00 °C   
8

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silver   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
Not Available   
3.00   
12

Brinell Hardness
471.00 MPa   
25
390.00 MPa   
29

Vickers Hardness
520.00 MPa   
21
295.00 MPa   
29

Speed of Sound
Not Available   
2,490.00 m/s   
36

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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