Color and Clarity Techniques Used in Colored Gemstones
In my last post we talked about Natural and Artificial Gemstones and how fake gemstones are represented as real gemstones. Talking about fraudulent practices in the industry, we come to the ones relating to color and clarity enhancement. What you need to understand first is that such techniques are used in the colored stone industry every [...]
Tags: blackening, clarity, color, diffusion, dyeing, foil-backing, fracture-filling, heating, oiling, radiation, smoking, techniques, waxing