Burning diamonds and white gold

[Bo!]

[media]http://www.youtube.com/watch?v=Kimkl72rD1E[/media]

[darkrei9n]

I'm surprised it took so long to burn the diamonds, I thought diamonds were extremely vulnerable to heat.

[Aide]

[QUOTE=darkrei9n;43089258]I'm surprised it took so long to burn the diamonds, I thought diamonds were extremely vulnerable to heat.[/QUOTE]

Diamond drill bits? Friction ==/!= heat.