Disk precision machined from high purity metal, ground surfaces, and laser etched labels
Disc is the size of US Quarter, 99.9% Pure
Disk approximate weight 7.24g
One Acrylic Case with magnetic latches
Description
Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime. Naturally occurring dysprosium is composed of seven isotopes, the most abundant of which is 164Dy. -Wikipedia Quarter and scale not included