Tellurium sulfide is a chemical compound composed of the elements tellurium and sulfur. It typically appears as a yellow or orange solid and is known for its semiconductor properties. This compound is often used in various applications, including electronics and materials science. In nature, tellurium sulfide can be found in certain mineral deposits. It is also studied for its potential uses in solar cells and other technologies due to its unique electrical and optical characteristics. Understanding this compound contributes to advancements in chemistry and materials engineering.