http://www.isnare.com/?s=author&a=Atchariya+Rungruengphol Arts and Crafts Atchariya Rungruengphol Mon, 02 Oct 2006 00:00:00 -0700 http://www.isnare.com/?aid=82581&ca=Arts+and+Crafts Some of treatment procedures are centuries old, while others are relatively new. Gemstone are treated in different ways to improve their appearance. Some of these procedures are centuries old, while others are relatively new. Also, without cutting or polishing a gemstone could not reveal fabulous co...