Magnetite iron ore, calcium sulfate
River sand, magnetite sand
Minerals, ores, oxides, precious metals, base metals, metal scraps on ferrous based metals like sponge iron, pig iron, iron, steel, and also on non ferrous based metals like copper, birch copper, brass, bronze, allous, lead, nickel, tin, bauxite, alumina. Hindalium, tungsten, sand, clay, mica, silica, quartz