···Thulium icon. Tm chemical element. Atomic number 69. Mass 168.93. Blue sphere symbol.RFID:Image ID:2YAM700PreviewSaveShareBuy the printImage detailsContributor:Olena Poliakevych / Alamy Stock VectorImage ID:2YAM700Releases:Model - no | Property - noDo I need a release?More information:Thulium icon. Tm chemical element. Atomic number 69. Mass 168.93. Blue sphere symbol. EPS 10.