Scandium is used in aluminum-scandium alloys for aerospace industry components as well as sporting goods such as bicycle frames, fishing rods, golf iron shafts, and baseball bats.
Scandium iodide is used in mercury vapor lamps, which are used to simulate sunlight in film and television studios. Scandium oxide (scandia) is used in the production of high-intensity "stadium" lights.
The radioactive isotope 45Sc is used as a tracing agent in oil refineries.
Scandium sulfate in very low concentrations is used to boost the germination of seeds such as corn, peas, and wheat.
