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85 percent is carbon , the rest:Fe,Ti , Cr,O . under microscope .what can it be? black diamond?

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asked May 15, 2016 by reza (190 points)

2 Answers

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Reza, this does not appear to be diamond. Iron, carbon, titanium and Chromium are all combinable.some alloy then containing the above
answered May 17, 2016 by Weasel (58,810 points)
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How did you ascertain its chemical structure? Can you please provide some additional background information on its origination?
answered Jul 24, 2016 by hershel (52,700 points)