Kawéntenan kacawang olih Dmitri Mendeleev warsa 1869, yadiastun nénten kauningin nganti warsa 1923, olih Coster miwah Hevesy, manadosang nyané datu stabil ungkur kalih sané katemuin.
Hafnium was predicted by Dmitri Mendeleev in 1869 but it was not until 1922 that it was first isolated Dirk Coster and George de Hevesy.