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Diamonds
Part 1 of Paper
....ng the hardest mineral on earth. (Foa, p.50) Its characteristics enable it to be used for many different purposes. Since are the hardest gems on Mohs’ scale, they make useful tools for industrial purposes, such as drilling hard materials. However, they are quite rare, which makes them very valuable. Their beauty and.... Part 2 of Paper
.... form over long periods of time, between 100 km and 200 km below the surface. At this great depth, carbon gets a chance to cool very gradually, forming diamond crystals. When volcanic eruptions occur, magma carries the up to the surface of the earth. Kimberlite lavas carrying erupt at anywhere between 10 and 30 km/hour and increase their velocity to several hundred km/hour within the last few kilometers. (Pough, 44) At the surface, this lava cools and turns into Kimberlite rock. That is why a.... |
| Number of words: 1285 - Approximate pages: 5 |
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