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Erbium is commonly used in nuclear reactors as a neutron absorber to control nuclear reactions. It is also used in optical amplifiers for fiber optic communication to amplify light signals. Additionally, erbium compounds can be found in some specialty glass and ceramics for their unique optical properties.
Erbium is most commonly found in the Earth's crust in minerals such as xenotime, euxenite, and fergusonite. It is also found in some rare-earth minerals and in minerals containing yttrium.
Erbium has 68 electrons.
The formula for erbium acetate is Er(C2H3O2)3.
Erbium is a silvery-white metal that is classified as a lanthanide on the periodic table. It does not have a distinctive color in its pure form.
Erbium is a solid at room temperature and pressure, so its normal phase is solid.