USING DIAMOND

in industry •  last year

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The diamond is pure carbon, like the graphite of the mines of our pencils, but it is crystallized. In the natural state, surrounded by its gangue, it resembles a pebble. It is found in the bed of certain rivers, or by digging mines in the chimneys filled with extinct volcanoes. It can also be manufactured. Its rarity makes its value.

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The most renowned diamonds are colorless. In Kimberley, South Africa, the blue earth of the Great Hole, the world's richest mine, now exhausted, donated 3 tons of diamonds. The world consumes 80% of production for the industry.
Only the most transparent, clearest stones provide the pieces of jewelery. They are often split. The largest, the cullinan, 621 grams, gave 9 large cut stones and a hundred smaller ones. Depending on their structure, the clipper splits them to reveal their faces, the polisher gives them a perfect polish to allow the humblest ray of light to refract or reflection in a sheaf of joyful "fires".

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The biggest diamond ( the Cullinan )

The diamond not only gives rise to prestigious jewelry but also has tools: it is the hardest of all bodies. In the industry, wrecked waist and artificial diamonds are produced in very small crystals under enormous pressures and also a natural diamond, the hardest of all, the "carbonado" which is black and opaque, its shards Become tools of glazier, teeth of saws, heads of perforators

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The black diamond ( the carbonado )

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The black diamond carved ( carbonado )

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