Physical Properties of Polonium and Manganese
Melting Point
1,245.00 °C
  
37
Boiling Point
1,962.00 °C
  
99+
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silver
  
Silver
  
Luster
NA
  
Metallic
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
Not Available
  
196.00 MPa
  
99+
Speed of Sound
Not Available
  
5,150.00 m/s
  
7
Optical Properties
  
  
Allotropes
Yes
  
No
  
α Allotropes
α-polonium
  
Not Available
  
β Allotropes
β-polonium
  
Not Available
  
γ Allotropes
Not Available
  
Not Available