MP Materials Corp. engages in the production and marketing of rare earth specialty materials. It operates through the Materials and Magnetics segments. The Materials segment focuses on the operation of Mountain Pass, which produces refined rare earth oxides and related products, as well as rare earth concentrate products. The Magnetics segment is involved in the operation of Independence Facility, where the company began production of magnetic precursor products. The company was founded by James Henry Litinsky and Michael Rosenthal in 2017 and is headquartered in Las Vegas, NV.