10 Tungsten Facts
Tungsten metal is used for glass-to-metal seals. The element's compounds are used for fluorescent lighting, tanning, lubricants, and paints. Tungsten compounds find use as catalysts. Sources of tungsten include the minerals wolframite, scheelite, ferberite, and huebnertie. It's believed about 75% of the world's supply of the element is found in ...