cooluks
Many were unaware what important role diamonds. The important role of diamonds bring benefits to the people in many countries around the world where the source of it can be found especially Africa... In Africa, these where been their livelihood by finding diamonds....
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The resulting chemical reaction causes a "carbon rain" in which carbon atoms fall onto the seed and arrange themselves in the crystalline structure same as the original diamond. The diamonds produced by this process were already tough but the researchers toughened it up further by subjecting them to 2000°C and 5-7 gigapascals (up to 70,000 times atmospheric pressure). After this, the man-made diamonds were 50% harder than conventional diamonds. But making diamonds was not the researcher's main goal: "Our group is interested in the behaviour of materials at extreme pressures and temperatures," said co-researcher Dr Russell Hemley....
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"Yellow diamonds of this color are very hard to find. It is probably worth 10, maybe 15 thousand dollars." "This is very rare stone," Aron Weingarten says.
Yellow diamonds manufactured by Gemesis, the first company to market gem-quality synthetic stones. The largest grow to 3 carats.....
Yellow diamonds manufactured by Gemesis, the first company to market gem-quality synthetic stones. The largest grow to 3 carats.....
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