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, by cutting or polishing gemstone could have fabulous colors and nice sparkle. Treatment or enhancement gemstones means any process to make natural gems improved gem’s color, clarity before cutting and polishing. Please understand that TREATMENT AND ENHANCEMENT has nothing to do with man created gems or synthetic gems. Treating and enhancing gemstone is a very common step to improve gems appearance. omega seamaster james bond Some treatment and enhancement improved by nature are permanent and cannot be detected. Treatment and enhancement procedure so closely resembles what happens in nature, that one cannot always tell if they have been treated after mining or before. Microscopic examination will sometimes reveal an inclusion that burst during hea omega seamaster planet ocean ting treatment, but lacking that there is no way to tell exact that heat treatment was done before or after mining. There are many techniques of treated or enhanced gems (More knowledge at http://www.facedgem.com/gemstone-knowledge/gemstone-treatment.htm). Briefly explanations of the important techniques is given below. Oiling treatment method has seamaster planet ocean been used form more than hundreds years, mostly emerald treated to derive its beautiful green color and clarity. In the same way, other colored stones such as alexandrite and rubies have been treated this way makes less surface inclusions. So we can concluded that colored oils are used on those gemstone to improve their appearances. This treatment reduces fractures and provide better clarity. Heat treatment is the most common form and famous enhancement. This is so common with corundum, ruby and sapphire, it is recommended that jewelers inform their customers that they are “probably heat treated”.