Physical Properties of Thulium and Flerovium
Physical State
Solid
Solid
Color
Silvery Gray
Unknown
Luster
Metallic
Unknown Luster
Brinell Hardness
Not Available
Vickers Hardness
Not Available
Speed of Sound
Not Available
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available