Rare Earth Minerals Plc is a mining and exploration company that focuses on the development of rare earth minerals. The company is based in London, UK, and has operations in Africa, Europe, and North America. Rare Earth Minerals Plc is primarily involved in the exploration and development of lithium and other rare earth minerals, which are used in a variety of industries, including electronics, renewable energy, and transportation. The company's flagship project is the Sonora Lithium Project in Mexico, which is one of the largest lithium deposits in the world. Rare Earth Minerals Plc is listed on the London Stock Exchange and is a constituent of the FTSE AIM All-Share Index.