Diamonds. Thursday , August 17th , 2017 - 23:00:08 PM
Some people use baking soda for cleaning diamond rings that are slightly dirty. A paste made of baking soda and water is used for this purpose. The paste is applied over the stone, which is then cleaned with a soft brush. The ring is then rinsed with plain water and dried with a soft lint-free cloth.
Similarly, a diamond is not indestructible. The fact that diamonds are cut and shaped to be used as jewelry indicates that, it is possible to shatter or break the crystal under the right conditions. Under normal conditions of atmospheric temperature and pressure, a diamond retains all its physical and chemicals properties, since the covalent bonds between the carbon atoms require an immensely high amount of energy to be broken. Therefore, if a high-enough temperature and pressure environment is provided, along with suitable catalysts, it is possible to change the physical and/or chemical nature of a diamond.
A major chunk of diamonds are formed in the Earth's mantle and they are brought out to the surface through violent volcanic eruptions. The magma travels through volcanic pipes to the surface of the Earth. So these narrow volcanic pipes, the cooled down magma and the igneous rocks form the primary source of diamonds. On the other hand, coal is usually found in sedimentary rocks that are horizontal in nature.
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