Check the listing for details. Ytterbium Element Cube. Condition: New. Listed at 90.46 USD. Ytterbium Element Cube Made In USA 2x2x2 inches 99.995% Pure Sample Ytterbium's atomic number is 70 and its symbol is Yb. Ytterbium is named after the village where many rare earth metals were discovered in Sweden. Like other rare earth metals, it is obtained from a mineral called monazite. Ytterbium does not have many commercial uses. The most common commercial use of ytterbium is to make solid-state lasers. Certain isotopes of ytterbium emit gamma rays that act like x-rays. This property has been used to produce portable x-ray machines. Made In USA 2x2x2 inches 99.995% Pure Sample Ytterbium's atomic number is 70 and its symbol is Yb. Ytterbium is named after the village where many rare earth metals were discovered in Sweden. Like other rare earth metals, it is obtained from a mineral called monazite. Ytterbium does not have many commercial uses. The most common commercial use of ytterbium is to make solid-state lasers. Certain isotopes of ytterbium emit gamma rays that act like x-rays. This property has been uséd to produce portable x-ray machines.eBay integration by