Ni3S2 is a chemical compound composed of nickel and sulfur, specifically containing three atoms of nickel for every two atoms of sulfur. It is often found in nature as a mineral and can be associated with other nickel-bearing minerals. This compound is of interest in various fields, including materials science and geology, due to its unique properties. Ni3S2 can be studied for its potential applications in batteries and catalysis, as well as its role in the formation of nickel sulfide deposits in the Earth's crust.