Manganese ore.
Ferro silicon & Ferro manganese.
Zinc concentrate 20 27%zn, pyrite concentrate 40 48%sulphur, iron pyrite 45 53% fe ,iron oxide 63 78% feo2 copper 3 10%cu, manganese ore 17 27%mn,aluminium oxide electrolyte 66%al2o3...turbine gas used.
Talc, And Minerals.