6 G ad oli ni um Used t o e n h an c e the c lar it y o f M RI s can s by injecting G ad o li n iu m c o n tras t ag ents in t o t h e patient Us ed in nu clear r eact o r c o n tr o l r o d s t o c o n tr o l th e fissi o n pr o ces s Ter b iu m P rima ril y us ed in ph o sph o r s particu lar ly in flu o r esc en t b u lb s and t u b es y ell ow g reen h ig h intensi ty gr ee n e m i tt er used in pr o jec tio n t ele v isi o n s an d X ra y in te n sifyin g sc r ee n s y ell o w g reen v i o let and blu e Dysp r os iu m M o s t c o m m o n ly used in th e m an u facture o f n eo d y m i u m iron b o r o n hig h stre n g th per m an ent m ag n et s D y spr o siu m 1 6 5 is inje cte d int o j o in ts to t rea t rh eum at o id arthri tis D y spr o siu m is u sed in rad iatio n bad g es t o det ect and m o n i to r rad iatio n e xp o sur e Er bi um Used in gl ass co l o rin g as a n am p li fier in fib er o p tics a n d in lasers f o r m edi cal an d dental u se Yt t r i um Yt triu m ph o sph o rs ar e u se d in energ y efficien t flu o r es cent la m p s and bu lb s Yt tria s tabi li z ed zi rco n iu m o xid e is u sed in hig h t e m p e ratu re ap p li cati o n s such as t h er m al b arr i er c o atin g t o pro te c t aer o spa c e h ig h t em p er atur e sur fa ces C an in crease the s treng th o f m et all ic all o y s App l ica t i ons i n High G r o wth M ar ke t s S ou r ce CIBC Wor ld M a r ket s