Physical Properties of Rutherfordium and Potassium
Melting Point
2,100.00 °C
  
11
Appearance
  
  
Physical State
Solid
  
Solid
  
Color
Unknown
  
Silvery Gray
  
Luster
Unknown Luster
  
NA
  
Hardness
  
  
Mohs Hardness
Not Available
  
Brinell Hardness
Not Available
  
Speed of Sound
Not Available
  
2,000.00 m/s
  
99+
Optical Properties
  
  
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available