Definition: Diffusion is the process of applying a temporary coating onto the surface of a gemstone in order to enhance its color.
Diffusion, Definition
By Carly Wickell, About.com
Other Gemstone Treatments
Explore Jewelry / Accessories
Must Reads
About.com Special Features
The Best Moisturizers
Top picks in every price range, for every skin type. More >
Fall Fashion Accessories
These hot fall accessories will update your wardrobe without breaking the bank. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.