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Man - Made Diamonds.

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Modern production of natural diamonds is typical processing a huge amount of raw material to extract trace amounts of crystalline form of carbon. It is considered more cost-carat (0.2 g) per ton of waste rock. It is clear that this situation encourages search for efficient production technology of lab created diamonds. Artificial active diamonds produced using several technologies. Analysis existing and previously published techniques shows that not developed the technology for producing large (more than 1 carat) of gem-quality synthetic diamonds to the cost of production lower prices of natural prey. All sensational reports on the progress made in this direction in the future is not confirmed. In favor of the version of FAR occurring failure says the continued operation (in the same volume) of the diamond industry in several countries.
Maybe not, in principle achievable goal: get big gem-quality synthetic diamonds? Not at all!
In order to successfully achieve the goal should be to understand: as formed Diamonds in the wild?
It appears most reasonable next model appearance of diamonds in kimberlite tubes of the explosion. During the rapid movement of magma in the crust of the channels explosion there are conditions for hydrodynamic cavitation. Formed cavity gap the so-called cavitation, which are closed increasing pressure. In magmatic cavitation has its own characteristics.
First, cavitation can reach large sizes (up to several meters diameter).
Secondly, usually significantly different from the cavity proper sphericity shape.
Consequently, the collapse is not axially symmetric adiabatic mode, described by the equations of Rayleigh, and with the release in the direction of the cumulative jet.
Third, the resulting cavity is separation. Must say that the cavity is not vacuum and filled dissolved gases in the magma with a significant representation of carbon and carbon-compounds. As a result of pulsations (incomplete closure of the cavity - cavitation cavity) on the boundary of the cavity and the carbon layer formed magma(Carbon supersaturated). As a result, the jet stream that is formed by the closure, represented mainly of carbon (close on the properties of diamond and graphite).
With the implementation carbon cavitation jet (prop the heavy fractions of the rearguard jet) in the wall, consisting of kimberlite clay occurs initial heating of carbon build-up of pressure, the greatest transformation of the diamond allotropic form and then rapidly cooling the high dynamic pressure.
As a result, after depressurization and final cooling diamonds remain stable condition. Here, in fact, optimum the trajectory of the pressure is removed and cooled.
I must say, that the hypothesis of the involvement of cavitation in the formation of man made diamonds met earlier in scientific publications.
Eugene Klime writes articles for 3 years. Visit his website [http://manmadediamondsreview.com] allows people to learn more about Lab Created Diamonds [http://manmadediamondsreview.com/?page_id=50] and buy what they are looking for.
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