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Article
GIA's Gübelin Gem Project: Various Gems, Olivine - Rutile

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

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Amethyst
Article
Amethyst Description

Amethyst is the purple variety of the quartz mineral species and the gem most commonly associated with the colour purple.

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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 jewellery professional, infuses the rich tapestry of Brazil – and her joie de vivre – in each of her designs.

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Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.

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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 for this curious statement.

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Article
Insights From Inclusions

Natural gemstones are typically far more valuable than synthetic ones, so being able to identify them correctly is a powerful skill.

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Amethyst
Article
Amethyst Care and Cleaning Guide

Learn about amethyst's durability and how to care for your amethyst jewellery.

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Abstracts; Autumn 1991

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

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