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The History Of Diamond Mining - By: Dror Klar, 2009-01-19 For Centuries the only source known to man for diamonds were rivers. They were found in active rivers or in the beds of rivers long ago dried up. In 1871 diamond pipes were discovered in South Africa. They were mined from kimberlite and lamproite volcanic pipes. Magma in these pipes brought the diamond crystals to the surface from deep in the earth. COMMENTS Add a comment |