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Digital Watch JhonRoughly forty 9% of diamonds originate from Central and Southern Africa , though significant sources of the mineral have been found in Canada , India , Russia , Brazil , and Australia 108 They’re mined from kimberlite and lamproite volcanic pipes, which can convey diamond crystals, originating from deep all through the Earth the place extreme pressures and temperatures allow them to kind, to the floor. The mining and distribution of pure diamonds are matters of frequent controversy comparable to issues over the sale of blood diamonds or battle diamonds by African paramilitary groups. 114 The diamond provide chain is … Read the rest