Maganese ore
Lumpy manganese and chrome ores
Chrome ore
Calcite
Lead ore, remelted lead
Fullers earth
Minerals
Niobium ore , molybdenum ore
Manganese ore and chrome ore
Nickel ore
Manganese ore
Minerals
Manganese ore
Zircon sand, zirconium silicate, zirc flour, alumina balls
Fenb a material
Minerals
Minerals
White asbestos chrysotile
Perlite
Coal, mineral ore