One inch below the surface is pure titanium.

The thinnest, lightest frames in pure titanium, which many believe will be eyewear's dominant material in the 1990's, seemed almost invisible.

"The old mining methods were not as adept at generating pure titanium."

But now I believe your spine is made of pure titanium.

"I'm not leaving," Chris Wohl said with pure titanium in his voice.

In both methods, pure titanium is sublimated and reacted with nitrogen in a high-energy, vacuum environment.

The Hunter process was the first industrial process to produce pure ductile metallic titanium.

"You could scarcely be harmed, physically, contained as you are in pure titanium," he said and swung back to the console.

In November 2011 Kaye announced that particles of pure titanium had also been found on the tie.

Small explosive charges break up the mixture, which is then washed and centrifuged to leave pure titanium in the form of granules.