Nov 10, 2009

Diamonds Are Forever

Diamonds Are Forever Diamonds are girls best friend, right? We love the shiny gems. They are the most popular rock sold. But what are they anyway? Where they come from? What are they used? Diamonds are a mineral in one of two crystalline forms of carbon element. They are the hardest natural substance man knows. Diamonds are precious stones, and in industrial applications for smoothing, cutting, polishing and hard materials. Diamonds are known to crystallize in the common colorless form. You can also tranlucent in a transparent white, yellow, green, blue or brown. Diamonds have a high index of refraction, which is why they are so bright and sparkling after the cut. The familiar shape of a diamond is the octahedron. Most diamonds are brilliant gems and jewelry for other purposes. For those who do not, precious stones, there are other options. You BORT, which is a poor crystallized or undesirable color and fragmented state, carbonados and gray and black. Bort and carbonados as abrasives for the cutting of diamonds and the cutting heads of industrial rock drills. Diamonds found in alluvial formations and volcanic pipes, filled for most of their length with blue ground or kimberlite, and igneous rocks which consist mainly of serpentine. Diamond cede ground supported by the Open method, and the mine underground. After removal of the surface, the earth is crushed and concentrated. Because of the concentration of material in a stream of water over greased tables does not contain the necessary sorting. The diamond is largely water and adheres to the grease and other minerals will receive a film of water, which prevents fat. Then the diamonds from fat, clean, orderly and for the sale and use. The first sources of gem diamonds were India and Boeo. Some famous diamonds are the Great Mogul, Regent, and Pitt. Other famous diamonds are the Hope (blue), Dresden (green) and Tiffany (yellow). At the beginning of the 18th Century, similar to deposits in India were in Brazil, particularly the carbonados. In 1867 was a landmark in South Africa as a diamond. In a few years began a wild search for diamonds. In 1870-1871, dry diggings including the most famous of the mines have been discovered. Synthetic diamonds have been successful in 1955, a series of small crystals of pure graphite were mixed with a catalyst has been under pressure of about 1 million pounds per m² Customs and the temperature in the order of 5000-F (3000-C) . Synthetic diamonds are now widely used in industry, in particular conceing the ease of obtaining a reduction of costs and for them. Diamonds are still very popular and are available for many things. Their popularity does not seem to decline anytime in the near future.

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