Thulium, gadolinium, terbium, tellurium, lutetium, holmium

CAS	Name
7446-07-3	Tellurium dioxide
13494-80-9	Tellurium
7440-54-2	Gadolinium
7440-60-0	Holmium
7440-30-4	thulium
12032-20-1	Lutetium oxide
7440-27-9	Terbium
12064-62-9	Gadolinium
12037-01-3	Terbium oxide
12055-62-8	Holmium(III) oxide
12036-44-1	Thulium oxide
13798-24-8	Terbium(III) chloride hexahydrate
1308-96-9	Europium oxide
7440-53-1	Europium Standard
52093-25-1	Europium(III) trifluoromethanesulfonate

Rare earth, rare expensive reagents