Rather, these three metals are far more likely to combine with sulfur, so their ores are mostly sulfide minerals. For lead, the primary ore is galena or lead (II) sulfide (PbS). Galena is a ...

Lead sulfide (PbS) thin films are gaining significant attention in the field of optoelectronics due to their unique properties and potential applications. These films can be synthesized using ...

In southern Iraq and in Egypt, men and women alike painted kohl around their eyes to make them look larger as well as to protect them from the evil eye. This thick black ointment, made of ground lead ...