... tin, titanium, iron, coal and other minerals, especially manganese ore.Jigger is classified into different kinds according to raw materials ... the minerals of large density contrast like wolfram ore, tannery, iron ore, manganese minerals, and chromium minerals, and the non- ... of big desity contrast ore,such as,wolfram ore,tin ore,iron ore,manganese ore,as well as ferrous metal ore carrying gold and so ...