diamonds

diamond is the hardest known natural material around. There are many brillant properties of diamond that make it treasured by mankind. The hardness of diamond make it suitable as a form of gemstone. diamond can only be scratch by other diamonds hence it can maintain its polish extremely well. Diamond is therefore prefer by the majority to be the gem for wedding and engagement rings. diamond are also the ideal material for cutting and grinding tools. diamonds can also be used as semiconductors(is a solid whose electrical conductivity can be controlled over a wide range, either permanently or dynamically).Diamonds can occur in nearly any colour. Colored diamonds contain impurities or structural defects that cause the coloration, while pure or nearly pure diamonds are transparent and colourless.