(=gadolinite)硅铍钇矿
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。
ytterbite:硅铍钇矿
ytterbic 含有镱的 | ytterbite 硅铍钇矿 | ytterbium 镱