Hardest Substances Known To Man

These are some of the hardest substances known to man.

I’m referring to the heads of those in favor of diamond mining.

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Harry Burl created Man-MadeDiamonds.com in 2010. He is dedicated to educating the public about the most incredible diamond that mankind will ever encounter. The Heart In Diamond is the end result of the diamond's evolution. It is only a matter of time before man-made diamonds dominate the entire diamond industry. Harry is doing his part to see that this happens as soon as possible. This will put an end to blood diamonds and the environmentally destructive practice of diamond mining. Harry is a catalyst for this change to materialize. Digest what he shares and be a part of this phenomenal transition.

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