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 ...

Upper-class men and women in ancient Egypt commonly defined their eyes with kohl—a dark powder made from lead sulfide.

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 ...

Infrared detectors are generally classified as being either thermal or photon (quantum) detectors. Lead Sulfide (PbS) and Lead Selenide (PbSe) detectors are both members of the lead-salt family of ...

T he Buzbee Law Firm filed a lawsuit against Pemex Monday, alleging the Mexico state-owned petroleum company was negligent in the lead up to an October hydrogen sulfide leak at their Deer Park ...