Used as an abrasive in sandpapers and grinding wheels due to its hardness. Commonly found in cutting tools and polishing compounds. Serves as a catalyst support in chemical reactions. Applied in protective coatings for metals to enhance corrosion resistance. Used in the production of refractory materials because of high thermal stability. Found in dental implants and medical devices due to biocompatibility. Employed in electronics as a dielectric material in integrated circuits. Used in the manufacture of spark plugs and high-temperature ceramics. Also utilized in water purification systems as a filtration medium.