Used as an abrasive in sandpapers and grinding wheels due to its hardness. Common in refractory materials for high-temperature applications like furnace linings. Serves as a catalyst support in chemical reactions. Found in cutting tools and wear-resistant components. Used in cosmetics and sunscreens for its reflective and thickening properties. Applied as a coating to provide corrosion resistance and improve surface durability. Also utilized in electronics as an electrical insulator in substrates and integrated circuits.