GALENA
GALENA Galena – PbS – is a very common sulphide, the main ore of Pb and often an important ore of Ag. Pb-Zn ores generally contain economic grades of Cu, Ag, Sb and Bi. Galena always contains varying, usually very low, levels of Ag, Cu, Fe, Tl, Mn, Zn, Cd, Sb, As and Bi. Many […]