The Luzenac Group is a talc mining company headquartered in Toulouse, 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]