Originally mined by the Beauchamp forges in the XVIIIth century, iron pyrites from Chizeuil were worked by John Cockerill until 1853. The Givors Forges Company, but also Schneider, worked other parts of the deposit from 1852 to around 1870. A concession was awarded to Fernand Raoul-Duval in 1877. Rich in sulphur, this ore made pig iron brittle. The pyrites were shipped to the Perret company at Saint-Fonds for making sulphric acid. In 1896, the Chizeuil Mines Limited Company was
