Europium – 63
Europium is refined from bastnasite and monazite deposits and is particularly useful in the electronics industry.
Can function as a superconductor under the right conditions. Used to produce red colour in fluorescent lighting, LCD screens, PDPs. Can be used with terbium to make white backlighting for digital LCD screens. Glass polishing for cathode ray tubes (CRT), plasma (PDP), and liquid crystal (LCD) glass. Manufacture of high-strength glass substrates for hard disks. Used in medical tissue research as a tracing tag for complex biochemicals.