6 RAW MINERALS AND CHEMICALS-NAMELY, BARIUM CARBONATE, CALCIUM CHLORIDE, MAGNESIUM CARBONATE, SILICA, FELDSPAR, POTASH, ALUM, AMMONIA ALUM, ZINC OXIDE, SODIUM ALUMINATE, NEPHELINE SYENITE, BENTONITE, BORAX, TITANIUM OXIDE, EPSOM SALTS FOR GENERAL USE IN THE INDUSTRIAL ARTS