Zinc Sulfide 

Description of zinc sulfide

zinc sulfide is an inorganic compound with the chemical formula ZnS. It is the main form of zinc in nature, and zinc mainly exists in the form of the mineral sphalerite. Although the mineral is usually black due to various impurities, the pure material is white, so it is widely used as a pigment. Zinc sulfide can be transparent in a dense synthetic form and serves as a window for visible optics and infrared optics.