Question

What is the difference between coal and diamond?

Answer 1

Coal	Diamond
Coal is present in the amorphous form where Carbon is not arranged systematically.	Diamond is present in the crystalline form where Carbon is arranged systematically and all the carbon atoms are surrounded by other 4 carbon atoms.
For manufacturing purpose coal does not require high pressure or heat.	For manufacturing of Diamond, requires high pressure and heat.,
Coal is black color solid.	Diamond is a shimmery, glimmery solid structure.
Coal contains many impurities such as Nitrogen, Sulphur, etc.	Diamond is found in its purest form.
Coal can be used in power generating industries, and many other steel industries.	Diamond is basically used to make special ornaments, jewelries, etc.
Coal is much cheaper than diamond.	Diamond is costly.
Coal can be found in the earth's crust easily.	Diamond is found in deep inside the earth.