Question

Any thing made up of carbon is black in colour but diamond is not why?

Answer 1

Diamonds and coal are different colors because coal isn't pure carbon. Thestuff is loaded with impurities: Hydrogen, sulfur, mercury, and more. ... Like diamond, graphite is carbon. Unlike diamond, it's a shimmery, silveryblack

Answer 2

Diamonds are unstable compared to coal (or more exactly, graphite) so high temperature and pressure are required for diamonds to form from graphite. The reason that coal (graphite) is black and diamonds are clear has to do with how the carbon atoms are connected together in the two different forms of carbon