74
W
Tungsten
transition
Discovered : Juan and Fausto Elhuyar, 1783. Symbol W from wolfram.
Found in : Scheelite, wolframite, ferberite, huebnerite.
Used for : Light bulb filaments, cutting tools, armor, weights.
Remarkable : Highest melting point of any metal (3,422 C). Scheelite fluoresces brilliant blue-white under UV, used to find it in dark mines.
Minerals containing Tungsten
