Erbium (Er) 24.26mm Metal Disc 99.9% Pure for Collection or Experiments
Erbium (Er) 24.26mm Metal Disc 99.9% Pure for Collection or Experiments
Erbium is a chemical element with the symbol Er and atomic number 68. A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. It is a lanthanide, a rare earth element, originally found in the gadolinite mine in Ytterby in Sweden, from which it got its name. -Wikipedia Quarter not included
Product Features
- Rare Earth Element - Size of US Quarter
- One Disc, measures 24.26 mm x 1.75 mm
- Precision machined from high purity metal, ground surfaces, and laser etched labels
- Approximate weight 7.61g