Definition that contains gadolinite
- ytterbium a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
- atomic number 70 a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
- yb a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime