Carbon dating is being affected

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The popularity of diamonds has risen since the 19th century because of increased supply, improved cutting and polishing techniques, growth in the world economy, and innovative and successful advertising campaigns.

In 1772, the French scientist Antoine Lavoisier used a lens to concentrate the rays of the sun on a diamond in an atmosphere of oxygen, and showed that the only product of the combustion was carbon dioxide, proving that diamond is composed of carbon.

In particular, under oceanic plates the temperature rises more quickly with depth, beyond the range required for diamond formation at the depth required.

Diamond also has relatively high optical dispersion (ability to disperse light of different colors).During eruption these pipes are open to the surface, resulting in open circulation; many xenoliths of surface rock and even wood and fossils are found in volcanic pipes.Diamond-bearing volcanic pipes are closely related to the oldest, coolest regions of continental crust (cratons).Those properties determine the major industrial application of diamond in cutting and polishing tools and the scientific applications in diamond knives and diamond anvil cells.Because of its extremely rigid lattice, it can be contaminated by very few types of impurities, such as boron and nitrogen.

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