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Physical Properties of Samarium and Thorium

Samarium
Thorium
Physical Properties of Thorium and Samarium


Physical Properties
Melting Point
1,072.00 °C   
99+
1,750.00 °C   
17
Boiling Point
1,900.00 °C   
99+
4,790.00 °C   
8
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silver   
Luster
Lustrous   
NA   
Hardness
  
  
Mohs Hardness
Not Available   
3.00   
12
Brinell Hardness
441.00 MPa   
27
390.00 MPa   
29
Vickers Hardness
412.00 MPa   
24
295.00 MPa   
29
Speed of Sound
2,130.00 m/s   
99+
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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