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opal

Jewelry Design

…to. Also, if you have an irregular shape, such as a baroque pearl, or a free-form opal, you can usually get a good outline for sketching purposes…

Appraising Gems and Jewelry

…Gemological Institute of America (GIA) abbreviation, like slpR 4/4, on the first line. On the following lines, use common terms, like slightly…

What is a Gem?

…to the cold winter night. Many have shed tears over opals, and that has even contributed to the belief that opals bring bad luck. Opal. Photo by…

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