Holmium (Ho) 24.26mm Metal Disc 99.9% Pure for Collection or Experiments
Holmium (Ho) 24.26mm Metal Disc 99.9% Pure for Collection or Experiments
Holmium is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a rare-earth element. Holmium was discovered by Swedish chemist Per Theodor Cleve. Its oxide was first isolated from rare- earth ores in 1878. The element's name comes from Holmia, the Latin name for the city of Stockholm. - 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 7.37g