Fluorspar
Silica fume, microsilica, densified silica fume, dioxido de silico, fumed silica
Zinc ore, lead ore
Magnesium
Zircon sand
Manganese ore
Metal ore, copper
Ore of antimony lead steel cooper, nickle
Lead/zinc ore
Chrome ore lump/concentrate, manganese ore
Manganese ores (fines and lumps both are okay) or manganese dioxide powders in long terms
Chrome ore, chrome concentrate
Chrome ingot
Metal mineral
Zirconia sand
Zircon sand
Ore, including chrome friable, chrome lump and chrome concentrate