Lead sulfide is a chemical compound that is commonly used in various industrial and research applications. It is widely known as galena, a popular mineral used in the production of lead. Some other synonyms for lead sulfide include plumbous sulfide, lead sulphide, and Black Jack. Galenite and lead glance are some other names used to refer to the same compound. The chemical formula for lead sulfide is PbS, and it is a part of the sulfide mineral group. Its striking black color and heavy metallic luster make it unique among other sulfide compounds. In terms of its applications, Lead sulfide is widely used in the electronic industry for the production of infrared detectors, solar cells, and semiconductors.