| Some of treatment procedures are centuries | | | | inclusions. So we can concluded that colored |
| old, while others are relatively new. | | | | oils are used on those gemstone to improve |
| Gemstone are treated in different ways to | | | | their appearances. This treatment reduces |
| improve their appearance. Some of these | | | | fractures and provide better clarity. |
| procedures are centuries old, while others | | | | Heat treatment is the most common form and |
| are relatively new. Also, by cutting or | | | | famous enhancement. This is so common with |
| polishing gemstone could have fabulous colors | | | | corundum, ruby and sapphire, it is |
| and nice sparkle. Treatment or enhancement | | | | recommended that jewelers inform their |
| gemstones means any process to make natural | | | | customers that they are "probably heat |
| gems improved gem's color, clarity before | | | | treated". Heating can cause color of a stone |
| cutting and polishing. Please understand that | | | | to darken, lighten, or even completely |
| TREATMENT AND ENHANCEMENT has nothing to do | | | | changed and can also improve gems clarity and |
| with man created gems or synthetic gems. | | | | brightness. Heating of most kinds of |
| Treating and enhancing gemstone is a very | | | | gemstones is a standard treatment procedure. |
| common step to improve gems appearance. Some | | | | Heating knowledge was passed over |
| treatment and enhancement improved by nature | | | | generations. Heating Methods vary from simply |
| are permanent and cannot be detected. | | | | burning method to highly techniques under |
| Treatment and enhancement procedure so | | | | regulate temperature (More knowledge at |
| closely resembles what happens in nature, | | | | Diffusion is an enhancement method, commonly |
| that one cannot always tell if they have been | | | | used on corundum, added iron and titanium |
| treated after mining or before. Microscopic | | | | during the heating process of the gemstone, |
| examination will sometimes reveal an | | | | sometime called surface diffusion. Diffusion |
| inclusion that burst during heating | | | | layer created by adding elements. This layer |
| treatment, but lacking that there is no way | | | | described as colored coating. Radiation |
| to tell exact that heat treatment was done | | | | enhancement or irradiation means pounding |
| before or after mining. There are many | | | | material with subatomic particles. In some |
| techniques of treated or enhanced gems (More | | | | case, irradiation is followed by heating to |
| knowledge at Briefly explanations of the | | | | produce a better or new color for the gem - |
| important techniques is given below. | | | | such as topaz. Today so many irradiation |
| | | | technique applied and has created shades that |
| Oiling treatment method has been used form | | | | cannot found in natural topaz. Same way in |
| more than hundreds years, mostly emerald | | | | tourmaline, irradiation can turn dark pink |
| treated to derive its beautiful green color | | | | stone into red. For diamonds irradiation and |
| and clarity. In the same way, other colored | | | | heating can turned them into browns, blues, |
| stones such as alexandrite and rubies have | | | | yellows, pinks and greens. |
| been treated this way makes less surface | | | | |