cooluks
In the early 1800s in India, the Black Orlov diamond was discovered . It originally weighed 195 carats. It was allegedly cursed - as were all its future owners - when a monk removed the gem from the eye of the idol of Brahma at a shrine near Pondicherry, India...
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Brilliance is the life of the diamond. Brilliant diamonds sparkling with light, catching people's eyes, adding elegance and glamor to a woman's whole being. Diamond brilliance is what make it amazingly beautiful....
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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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Canada's quest for diamonds looks like one of the biggest stories in Canada for the next 10, 20 years – and beyond. The first diamond discovery in 1991 happened at Point Lake near Lac de Gras in the Northwest Territories, some 300 kilometres northeast of Yellowknife.....
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Diamond mining in Sierra Leone is no longer the bloody affair made infamous by the nation’s decade-long civil war, in which diamonds played a role. The diamond conflict (blood diamond) - begun by rebels who claimed to be ridding the mines of foreign control.....
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Before they went to the Cannes Film Festival, Brad Pitt gave Angelina Jolie an 18k gold love letter charm made by the Paris engraver Cassegrain.
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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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Diamond Structure and Properties...
Chemical composition : C, carbon
Hardness : 10 Mohs' scale, 56-115 Knoop hardness number (GPa), 10,000 Brooks identerscale.
Crystallography : Isometric. Crystals sometimes sharp octahedral, rhombic
dodecahedral, cubes, twinning, plates, and combinations with other forms. Crystals modified often rounded and distinguished by the presents of triangular shaped pits on the faces of the octahedral shaped crystals. These trigons were once thought to be the result of etching are now believed to be part of the growth process....
Chemical composition : C, carbon
Hardness : 10 Mohs' scale, 56-115 Knoop hardness number (GPa), 10,000 Brooks identerscale.
Crystallography : Isometric. Crystals sometimes sharp octahedral, rhombic
dodecahedral, cubes, twinning, plates, and combinations with other forms. Crystals modified often rounded and distinguished by the presents of triangular shaped pits on the faces of the octahedral shaped crystals. These trigons were once thought to be the result of etching are now believed to be part of the growth process....
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The Oscar-winning actress, who is married to Hollywood actor Michael Douglas, says her mother-in-law, Diana, has warned her she must only wear things she is prepared to lose.
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