Diamonds Kimberlite

I have a project for school. I need information on diamonds from kimberlite underground mining?
I have to make a model of a tunnel diamond mine and learn how diamonds are form. In addition, the tunnel has to do something with kimberlite pipes and extraction equipment types used for the task.
A quick search found a number of websites that will answer your questions. Here are a couple that interest you. Diagram of a diamond mine, the formation of diamond http://www.kingsjewelry.com/learning_diamond_mining01.shtml: If you are http://www.amnh.org/exhibitions/diamonds/kimberlite.html an American student, you may also want to include some information about the Crater of Diamonds State Park
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Unsearched Colorado Wyoming Kimberlite Possible Diamonds 300+ct Pebbles & Powder $9.99 |
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Unsearched Colorado Wyoming Kimberlite Possible Diamonds 300+ct Pebbles & Powder $9.99 |
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RARE Unsearched Colorado Wyoming Kimberlite Possible Diamonds 300+ct LOW SUPPLY! $9.99 |
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Exploration for Diamond-Bearing Kimberlite CO WY Mining $9.95 |
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RARE Unsearched Colorado Wyoming Kimberlite Possible Diamonds 300+ct LOW SUPPLY! $9.99 |
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South Africa Kimberlite Conf. cover diamond cancel 1973 $7.00 |
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Lesotho Diamond mine kimberlite set of 4 CTO Used 1973 $6.00 |
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The Potential for Diamond-Bearing Kimberlite in Northern Michigan & Wisconsin $9.95 |
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RARE Unsearched Colorado Wyoming Kimberlite Possible Diamonds 300+ct LOW SUPPLY! $9.99 |
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Kimberlite Uncut Natural White Rough Diamonds in Matrix $5,000.00 |
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1 Raw Natural Uncut ROUGH DIAMONDS KIMBERLITE $3,250.00 |
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Kimberlite Uncut Natural Rough Diamonds Diamond Matrix $945.00 |