Kadri Janan. Diamonds. May 25th , 2017.
Irradiation- This process is carried out with the help of linear accelerator in combination with heating to produce fancy colored diamonds.
It is common knowledge that lab diamonds don't take nearly as much time as it takes for a natural one to form. Scientists have discovered ways to recreate the high pressures and temperatures that are needed to replicate the conditions needed for creating natural diamonds. The process of creating diamonds in a laboratory requires a mixture of carbon and graphite and a small amount of seed diamonds. This mixture is then place within a machine core that is pressurized up to 800,000 pounds per square inch at a temperature of over 1000 degrees. Once a diamond is formed, some manufacturers add a protective coating to enhance the stone's light reflecting abilities. This protective layer is capable of hardening the diamond even further. As it is evident, the process of creating a lab diamond is pretty much the same as that of a natural diamond ' save for a few additions from different manufacturers to provide added value to their products. In some cases, these additions are unique to the specific manufacturers. This ability to control the conditions makes it easier, much more economic and far less time consuming.
Amongst all these diamonds it is the Kohinoor that is sought by the Governments of two countries and numerous other suitors. It is uncertain whether the Kohinoor and the Great Moghul were the same or are two separate stones. It is said that the Kohinoor was discovered in the mines of Golconda in Central India. The uncut Kohinoor weighed a massive 240 carats. The first owner of the Kohinoor was the Rajah of Malwa. Two hundred years later it was claimed by Sultan Babar, the first Mogul Emperor in India. He passed it on to successive generations of Mogul rulers, including Shah Jahan, the builder of one the Seven Wonders of the World , The Taj Mahal. When Nadir Shah of Persia annexed Delhi in the early 1700s, he seized the great gem.
It has also been noted that some of the meteorites carry very small diamonds that are also found from impact sites. It is inferred that such diamonds are formed by the high pressure and temperature caused by collisions that happen in space. So some sort of carbon source is present in meteorites too.
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