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GIA Gem Project
Tourmaline

Tourmalines have a very complex chemical composition, and more than a dozen mineral species are recognized within this group.

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A view of downtown Hong Kong – with a freeway traveling through it.
Article
US Retailers Continue to Cite ‘Challenging’ Environment, Synthetic Melee Detected

Economists recognize that the decline in middle class purchasing power is directly affecting some consumer products – including jewelry.

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A scattering of rough diamonds
Article
De Beers Optimistic as Sales Revive; Luxury Houses Remain Cautious

De Beers has largest cycle (sight) in more than two years. Luxury sales have begun to rise again after a negative year.

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Rebecca Buys sits on her motorcycle.
Article
‘Hippie’ Designer-Appraiser Follows Her Heart, Re-ignites Local Alumni Chapter

Rebecca Buys, GG, with a fulfilling career as a designer and appraiser, guides GIA alumni opportunities in San Diego, California.

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Karyna Sena stands in front of a sapphire mine near Colombo, Sri Lanka.
Article
Designer’s Love of Brazil – and its Gems – Shines in Every Piece She Creates

Karyna Sena, a third-generation gem and jewelry professional, infuses the rich tapestry of Brazil – and her joie de vivre – in each of her designs.

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Tourmaline
Article
Tourmaline Description

Tourmalines come in a wide variety of exciting colors. In fact, tourmaline has one of the widest color ranges of any gem species, occurring in various shades of virtually every hue.

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Article
And Then Came the Fantasy Cut

Once upon a time, gem cutting was a strict craft bound by centuries of tradition. Then Bernd Munsteiner (b. 1943) invented the fantasy cut.

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Article
Positive Design With Negative Space

Sometimes what you don’t see is as important as what you do. “Negative space” is the explanation to this curious statement.

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Gemstone Durability: Design to Display

A treatise on the design, display, care and repair of fine gemstones.

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Abstracts; Spring 1991

This article, from the Spring 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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