Definition: A "gemstone sandwich' made in layered sections. The lower, larger portion is made from glass or an inexpensive stone and has a smaller layer of a more valuable stone adhered to the top of it. Opal doublets are common.
See Also:
Doublet
By Carly Wickell, About.com
More Jewelry Terms
More About Gemstones
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.