Used extensively in the electronics industry as a substrate for thin-film circuits and semiconductor devices due to its excellent electrical insulation and thermal conductivity. It serves as a base material for manufacturing LEDs, laser diodes, and other optoelectronic components, providing stability and heat dissipation.

In the field of catalysis, it acts as a support material for catalysts in chemical reactions, particularly in petroleum refining and automotive exhaust systems, enhancing efficiency and durability.

Its high hardness and wear resistance make it suitable for use in cutting tools, abrasives, and protective coatings in industrial applications.

Additionally, it is employed in the production of high-performance ceramics, used in medical implants and prosthetics for its biocompatibility and strength.

In the aerospace industry, it is utilized for its lightweight and high-temperature resistance in components like turbine blades and insulating materials.

Its optical transparency in certain forms also makes it valuable in the creation of sensors and protective windows for harsh environments.