|Written by Administrator|
|Wednesday, 19 September 2007|
Friedlander, J. One of the early investigators into the problem of diamond synthesis. In 1898, he dissolved graphite in fused olivine and obtained small octahedral crystals he thought to be Diamonds. Later he experimented with a mixture of metals that had the iron and magnesium content of kimberlite, with graphite as a source of carbon, in a thermite reaction. He found that an addition of titanium dioxide helped in the formation of the tiny crystals. However, there is no proof that the crystals were diamonds. See synthetic
frosted crystal. A diamond crystal having a frosted appearance.
FTC. See federal trade commission.
full-cut brilliant. A term used correctly for a brilliant-cut diamond or colored stone with the usual total of 58 facets, consisting of 32 facets and a table above the girdle and 24 facets and a culet below. On colored stones the girdle is usually polished,
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