Holmium(III) oxide: Difference between revisions

</ref> Later in 1878, [[Per Teodor Cleve]] independently discovered the element while he was working on [[erbia]] earth ([[Erbium(III) oxide|erbium oxide]]).<ref>{{cite journal

Using the method developed by [[Carl Gustaf Mosander]], Cleve first removed all of the known contaminants from erbia. The result of that effort was two new materials, one brown and one green. He named the brown substance holmia (after the Latin name for Cleve's home town, Stockholm) and the green one thulia. Holmia was later found to be the [[holmium oxide]] and thulia was [[Thulium(III) oxide|thulium oxide]].<ref name=history>{{cite book| pages=180–181| url =http://books.google.com/?id=Yhi5X7OwuGkC&pg=PA180| title =Nature's building blocks: an A-Z guide to the elements| author =John Emsley| publisher=Oxford University Press |location =US| year = 2001| isbn = 0-19-850341-5}}</ref>