Mining company Unimin specializes in industrial minerals. The company's products include ball clay, barium sulfate, bentonite clay, calcium carbonate, dolomite, feldspar, high-purity quartz, kaolin, microcrystalline silica, olivine, and talc. Unimin sells its products to customers in a broad range of industries, including producers of industrial ceramics, fiberglass, fiber-optics, glass, oil and gas, paint and coatings, quartz lighting, and semiconductors. It operates from facilities in North and South America, Australia, and Europe. Its North Cape Minerals subsidiary is based in Norway. The company was founded in 1970.