| Diamonds are allotropes of carbon , whose | | | | The oldest process uses pressure, lots of it, |
| hardness and high dispersion of light make it | | | | and carbon. |
| useful for industrial applications and | | | | |
| jewelry. | | | | Since diamonds are carbon, eventually people |
| | | | were able to make diamonds in this manner, |
| Diamond in Greek means "impossible to tame". | | | | but these diamonds were easily |
| Diamonds are found mainly in central and | | | | distinguishable from natural diamonds. |
| southern Africa, although significant sources | | | | |
| of the mineral have been discovered in | | | | Originally, the pressure process was |
| Canada, Russia, Brazil, and Australia. | | | | developed by GE and, by major manufacturers, |
| | | | on a much larger scale. |
| There are Synthetic Diamonds and Natural | | | | |
| Diamonds. | | | | There is also a cubic press system. |
| | | | |
| There is something so special about diamonds, | | | | The newest process actually grows diamonds |
| and they are so valuable, that people have | | | | layer by layer as a chemical process and is |
| been trying to make them for a long time. | | | | called Chemical vapor deposition. |
| | | | |
| Synthetic diamonds were first produced in | | | | This process allows many new uses for |
| 1953, in Stockholm ,Sweden by ASEA ,Sweden's | | | | diamonds which in the past had previously |
| major electrical manufacturing company. | | | | been either too expensive to implement or too |
| Pressure was maintained within a device at an | | | | difficult to make. |
| estimated 83,000 atmospheres for an hour to | | | | |
| produce these diamonds. | | | | The most important characteristic of CVD |
| | | | diamond growth is the ability to control the |
| It now seems that it is possible to make | | | | properties of the diamond produced. |
| diamonds in a laboratory so perfect down to | | | | |
| the same atomic structure that DeBeers, the | | | | Diamonds are now being used to machine tools, |
| world's largest diamond consortium, is | | | | especially for non-ferrous alloys. CVD |
| running scared. | | | | diamond also has applications in electronics. |
| | | | Conductive diamond has been demonstrated as a |
| And you know what, these diamonds can be made | | | | useful electrode under many circumstances. |
| and sold at a profit. | | | | |
| | | | Diamonds are also being used as radiation |
| Apparently there are in Russia alone 5 | | | | detection devices. Diamonds also have uses as |
| laboratories producing synthetic diamonds | | | | semiconductors because the diamonds can be |
| that have the same atomic structure as | | | | contaminated with impurities. |
| natural diamonds but with ONE difference, | | | | |
| they are too perfect. | | | | Diamond is the ideal material. It can be used |
| | | | in computers to run them at speeds that would |
| They have the same characteristics as real | | | | melt anything on the market today. |
| diamonds, the same hardness, same | | | | |
| conductivity, the same sparkle. | | | | Diamonds can also replace rubies to make |
| | | | lasers of extreme power. |
| Different types of Synthetic Diamonds: | | | | |
| | | | Diamonds can be used as memory storage |
| 2 different processes are being used to | | | | devices which could be so small as to allow a |
| produce Synthetic Diamonds: | | | | cellphone to fit into a watch and an iPod to |
| | | | store 20,000 movies. |