Contributed by @plazmatter0430
Small pieces of Neodymium in a bottle
Contributed by collector no. 3
The first four elements of the F-block: Lanthanum , Cerium , Praseodymium , and Neodymium
Small shiny piece of Neodymium metal, in an ampoule which itself is in a small bottle. Neodymium is a rare-earth metal and should not be confused with the transition metal Niobium .
Join the official Discord server