Natural Emerald Treatments
Well over 90% of natural emeralds in commerce have been oil-treated to minimize the appearance of the inclusions and to reduce the likelihood of fracture. Note that treating emeralds with colorless oils is a traditional, generally accepted practice. The same cannot be said about treatment with colored oil to enhance the color. This treatment is not permanent. Many emerald flaws can be hidden by treating the emeralds with colorless oil. Newer, more effective fracture-filling techniques are also practiced. Irradiation of some emerald gems is somewhat effective in removing certain flaws. Some people actually prefer an emerald with very minute flaws over a flawless emerald, as this proves authenticity of the stone. For more information about gemstone treatment click on Gem Scams.
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