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Tourmaline
Article
Tourmaline Quality Factors

Learn about the factors that make tourmaline so desirable.

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Chipped Diamond
Article
How to Protect Your Diamond from Chipping

Al Gilbertson, May 5, 2016

Find out more about what causes a diamond to chip, and 8 tips on how you can avoid chipping your diamond.

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Gems & Gemology Spring 2016 Cover
Article
Photoluminescence Review and Gem Material from Unusual Locales in the Spring 2016 G&G

Jennifer-Lynn Archuleta, April 26, 2016

A summary of the content in the Spring 2016 issue of Gems & Gemology.

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The internal structures of natural pearls from the marine mollusk Pinctada maxima are the subject of the lead article in this issue. The scattered loose pearls on the cover are from Paspaley’s natural pearl collection, which includes one discovered in the 1970s at the Eighty Mile Beach fishing grounds
G&G Spring 2021 Edition
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