Emeralds are a green coloured gem stone variety and one of the most praised gemstones in the gem world. The finest emerald has fresh grass green colour along with a faint tint of blue. Colombia is considered to be the world’s finest emerald producer. Flawless emeralds are very hard to find. Since emeralds have a very high market value, their imitations can be found abundantly. Aquamarine emeralds and Tecla emeralds are known to be the best imitators of emerald made by intersecting layers of green glass. There are various techniques to enhance the colour and reduce the visibility of flaws of the stone.
Boil the emerald in oil – This is one of the oldest techniques that was used to enhance the colour. When emerald is boiled in oil it would hide the white flaws present in the emerald. But these white flaws are actually the cracks and these cracks become less visible to eyes when the emerald is boiled. However, the use of ultrasonic cleaner can make these flaws visible again.
Being one of the highly demanded and desired gemstone, there are a lot of fraudulent practices all over the world. Therefore it is highly recommended to be cautious when you are purchasing emerald in the market.
