African Rainbow Minerals Limited is a mining company based in South Africa. ARM has interests in a wide range of mines, including platinum and platinum group metals, iron, coal, copper, and gold. ARM's Goedgevonden coalmine near Witbank is a flagship of their joint venture with Xstrata, and produces 6.7 million tons of coal per year. ARM owns 20% of Harmony Gold, the 12th largest gold mining company in the world, with three mining operations in South Africa. The company was founded in 2003 by Patrice Motsepe, as the result of a merger. Motsepe serves as its Non-executive Director, having formerly served as its Chairman. Wikipedia