"Tung" and "Sun" meaning "heavy stone" Tungsten tungsten is becoming increasingly popular Jefferson Lab It's' Elemental The Element Tungsten. Tungsten tungsten tungsten It's' Elemental The Element Tungsten. https://education.jlab.org/itselemental/ele074.html http://education.jlab.org/itselemental/ele074.html Jefferson Lab education.jlab.org