Diamond Mining | Precious Stone | World Documentary TV Film
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Diamond Mining | Precious Stones | World Documentary TV Film.
There are a restricted number of commercially feasible diamond mines currently running in the world, with the 50 largest mines representing about 90 % of international supply. Diamonds are also extracted alluvially over disperse areas, where rubies have been deteriorated from the ground, transferred, and also focused by water or weather activity. There is additionally at the very least one instance of a heritage ruby mine (Crater of Diamonds State Park).
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