antimony froth flotation in papua new guinea 」
Antimony is a chemical element with symbol Sb from Latin: stibium and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite Sb 2 S 3.Antimony compounds have been known since ancient times and were used for cosmetics; metallic antimony was also known, but it was erroneously identified as lead ...