Luzenac Group
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The Luzenac Group is a talc mining company headquartered in Neuilly sur Seine, France. The company is the world's largest producer of talc,[citation needed] with mines and processing plants located in Europe, North America, Australia, and East Asia. The Luzenac Group was a wholly owned subsidiary of the Rio Tinto Group from 1988[1] until August 2011, when it was sold to Imerys.[2]