The new "Five Star" brand antimony metal is a kind of non-ferrous metal, silvery white solid with polish and crisp character. The ... new "Five Star" brand antimony metal is a kind of non-ferrous metal, silvery white solid with polish and crisp ... stable under 90 centigrade. The stable form of antimony is metal anamorphosis. Melting Point: 630 centigrade, Density 6.62g per cubic ...