Diamond Industry
The diamond
A diamond is not more than a transparent crystal with an extreme hardness (2,417); it rates 10 on the Mohs scale of harness (Talc, the softest mineral, 1 on the Mohs scale). Nothing can scratch diamonds except another diamond. Due to its extreme hardness it resists scratching and so diamonds are often used for sharpening, boring, cutting and polishing other materials and diamonds. A diamond is a gemstone that exists of carbon (C). It is created inside the earth because carbon crystallizes under influence of high pressure and heat. Carbon exists on its turn out of burned wood, when squeezing this substance you get graphite. Graphite turns into diamonds when squeezing this under great heat (1300-2000 degrees of Celsius)
The graph here below gives us an overview of Mohs Scale:
Source:http://www.color-diamond-shop.com/txt
We know by now that a diamond is a rare gemstone. But how do the American women know how much their diamond engagements ring is worth?......
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