gemstone mining process

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A Visit to the Kagem Open-pit Emerald Mine in Zambia | Research ... Dec 31, 2014 ... Kagem, there are many other emerald mining operations with ....

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For every 150,000 gem-quality diamonds found, only one crystal of red beryl is found. Credit: Courtesy of Géry PARENT

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Diamonds and supplementary valuable and semi-precious gemstones are excavated from the earth level via 4 main types on mining. These diamond withdrawal methods vary depending on how the minerals are situated within the earth, the steadiness of the material neighboring the preferred mineral, and the nonessential damage done to the surrounding environment.

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Surface mining is a form of mining in which the soil and the rock covering the mineral deposits are removed. It is the other way of underground mining, in which the overlying rock is left behind, and the required mineral deposits are removed through shafts or tunnels.. Surface mining is basically employed when deposits of commercially viable minerals or rock are found closer to the surface ...

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