Ko nga miihini o Noadymium kua hara e tuku ana i te hua pūngao tino nui mo o raatau rahinga tino nui, he nui rawa atu to raatau me te nui ake o te kaha nui atu i etahi atu miihini pumau.
Magnets are made of nickel, iron, cobalt alloys and NdFeB boron and other rare earth mineral alloys. Ko nga makutu mau tonu ka whakaputa i tetahi mara Agnetic tuturu kaore e hiahiatia ana te kaha o waho (hiko, hiko ranei) hei awhina.
