Through the study of inclusion in synthetic diamond by electron microprgbe and X ray powder diffraction,we found that Melnikovite is one of the important inclusions in synthetic diamond.Research results show that synthetic diamond is growing at the specific oxidation reduction environment ,where Fe 2+ and Fe 3+ exist at the same time.
In this paper authors study all sorts of fancy diamond,and then analyze what caused color change in fancy diamond.Moreover,authors try to discusses its mechanism of coloration and character of fancy diamond.
