Physical Properties of Potassium and Fermium
Melting Point
1,527.00 °C
  
26
Boiling Point
Not Available
  
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Silvery Gray
  
Unknown
  
Luster
NA
  
Not Defined
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
Not Available
  
Speed of Sound
2,000.00 m/s
  
99+
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