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History
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Thulium
Thulium
Per Teodor Cleve, the scientist who discovered thulium as well as holmium.
Per Teodor Cleve, the scientist who discovered thulium as well as holmium.
Thulium is found in the mineral monazite
Thulium is found in the mineral monazite
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Lanthanide oxides: clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium and gadolinium.
Lanthanide oxides: clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium and gadolinium.
Samples of lanthanide elements (excluding promethium)
Samples of lanthanide elements (excluding promethium)