UltrafastPED Science Advisor Gold Member Messages 1,910 Reaction score 216 Apr 6, 2014 #4 Here is a paper on the phase transitions solid-liquid-gas for carbon. Liquid carbon is metallic unless the pressure is too low - then it is an insulator. The metallic form should appear like most metals: silver colored. They don't provide a spectrum in the paper. And some further discussion here: http://pchemblog.umwblogs.org/2011/10/30/phase-diagram/
Here is a paper on the phase transitions solid-liquid-gas for carbon. Liquid carbon is metallic unless the pressure is too low - then it is an insulator. The metallic form should appear like most metals: silver colored. They don't provide a spectrum in the paper. And some further discussion here: http://pchemblog.umwblogs.org/2011/10/30/phase-diagram/