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GIA Gem Project
Various Gems
(Danburite – Humite)

Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

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An oval shaped bicolor tanzanite has purple on each side with blue-green in the middle.
Article
December Blues: Birthstone Gifts that Will Delight

Looking for a gift for someone special? December’s birthstones offer a treat for every taste, style and personality – even if it’s not their birth month.

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A rectangle-shaped gold box, decorated with filigree, granulation and gems.
Article
Metalwork Takes a Bow: Techniques that Enhance Gemstone Jewelry

This collection of jewelry images illustrates how metalwork techniques showcase gemstone and jewelry designs.

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Spring 2000 Gem News International

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.

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Infrared Spectroscopic Study of Filled Moonstone

A study on how infrared spectroscopy provides conclusive evidence of impregnated moonstone.ation of impregnated moonstone.

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A man and a woman sit at a table with a couple of dozen gems in front of them. They are looking at them and making notes.
Article
Alumni Marry – and Create Award-Winning Fluorescent, Phosphorescent Diamond Necklace

Alumni couple, inspired by their moms, creates beautiful jewelry – and a beautiful life – together.

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Three pieces of labradorite with yellow, blue and green flashes of color.
Article
Optical Effects of Phenomenal Cabochons

Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.

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Summer 2006 G&G Lab Notes

This section, from the Summer 2006 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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Article
Tips on Caring for Jewelry

Follow these tips to keep your jewelry treasures safe and looking their best.

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Worker attaching wax forms
Article
Shenzhen: The Frontier of China’s Gem and Jewelry Industry

All jewelry professionals are familiar with the city of Shenzhen, a global jewelry manufacturing center and a leader of China’s fast-growing gem and jewelry industry. Join the GIA team as we tour the city and discover more about its leading jewelry brands.

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