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866.10 US $ per kg
Terbium is a lanthanide and rare earth metal . The main mining areas of terbium are China , the USA , India , Sri Lanka , Brazil , and Australia .
Terbium is used in colour phosphors used for lighting applications such as trichromatic lighting and in colour TV tubes . The green colour on Blackberry or other high-definition screens is a by-product of terbium . Terbium is present in hybrid car engines , magneto-optic used in the recording of data , and optical fibers .
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