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Scandium is typically refined from thortveitite deposits or extracted from uranium mill tailings.
Yttrium us used in liquid crystal (LCD) screens and compact fluorescent lights (CFL) for its phosphorescent properties.
Phosphor coating for compact fluorescent lamps (CFL). Nickel metal hydride (NiMH) batteries for electric / hybrid cars, laptop computers
TV glass treated with cerium protects viewers from radiation.
Fluid cracking catalysts (FCCs) used to refine heavy oils and tars.
Neodymium capacitor boosts power of cell phones.
Nuclear-powered batteries that use photocells to convert light to electric current.
Strong magnets that resist demagnetizing at high temperatures.
Europium can function as a superconductor under the right conditions
Magneto-optic recording technology for storing computer data.
Magneto-optic recording of data for computers. Green colour for LCD screens and fluorescent lighting.
Dysprosium might be alloyed with steel for use in nuclear reactors.
Holmium has unusual magnetic properties that could be exploited in the future.
Erbium is added to fiber optic cables as a doping agent where it is used as a signal amplifier.
Thulium is the least abundant of the naturally occurring rare earth elements
Ytterbium can be alloyed with stainless steel to improve some of its mechanical properties.
Lutetium radioactive isotopes can be used as a catalyst in the cracking of petroleum products and a catalyst in some hydrogenation and polymerization processes.