Silica sand, quartz, kaolin..
Ultra fine copper powder isotope stock that holds purity of 99.999%. phosphate,dap, fertilizers,silica sand, quartz, feldspar, kaolin, calcium carbonate, gypsum, dolomite, basalt, iron oxides, zeolite, volcanic tuff potassium chloride (kcl) muriate of potash ammonium sulphate granular calcium sulphate granular.