Districts in France and syntetic stones
Posted January 14th, 2009 by adminUp to 1940, a few districts in France cut synthetic stones and marcasites, St. Claude being the main center. Some diamonds were, however, also cut, this industry being introduced by Charles Roulina some 70 years ago. Diamond mining areas have been found and worked in the U.S.S.R. during recent years, and no doubt cutting has [...]