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Physical Properties of Thallium and Iron


Physical Properties of Iron and Thallium


Physical Properties

Melting Point
303.50 °C   
99+
1,535.00 °C   
25

Boiling Point
1,457.00 °C   
99+
2,750.00 °C   
37

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Gray   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
1.20   
20
4.00   
10

Brinell Hardness
26.50 MPa   
99+
200.00 MPa   
40

Vickers Hardness
Not Available   
608.00 MPa   
18

Speed of Sound
818.00 m/s   
99+
5,120.00 m/s   
8

Optical Properties
  
  

Reflectivity
Not Available   
65.00 %   
12

Allotropes
No   
Yes   

α Allotropes
Not Available   
Ferrite (alpha Iron)   

β Allotropes
Not Available   
beta Iron   

γ Allotropes
Not Available   
gamma Iron   

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