The use of diamond

Diamond geological drill and petroleum drill diamond, diamond for wire drawing die, diamond for abrasive, diamond for dresser, diamond for glass cutter, diamond for hardness tester, diamond for crafts

During the Renaissance, chronic poisons made of diamond powder were popular among Italian giants. When a person consumes diamond powder, the diamond powder will stick to the stomach wall. In the long-term friction, people will get stomach ulcers. If they are not treated in time, they will die of stomach bleeding.

Because of its high refractive index, diamonds gleam in the light and become a lady's favorite gemstone. Giant diamonds can be valuable. Diamonds with darker colors are more expensive. At present, the most expensive colored diamonds are aquamarine with a slight blue.