Physical Properties of Cobalt and Actinium
Physical State
Solid
Solid
Mohs Hardness
Not Available
Brinell Hardness
Not Available
Vickers Hardness
Not Available
Speed of Sound
Not Available
Reflectivity
Not Available
α Allotropes
α-Cobalt
Not Available
β Allotropes
β-Cobalt
Not Available
γ Allotropes
Not Available
Not Available