ytterbite

1. a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite

稀土属金属元素，用于激光中，见于磷灰石、独居石、磷钇矿和硅铍钇矿中

2. 1.a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite.