Heart-Shaped Golden South Sea Cultured Pearl

The remarkable use of an atypical bead nucleus to achieve the perfect heart shape suggests recent improvements in pearl culturing techniques.

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Libyan Desert Glass Bangle Bracelet

The Hong Kong laboratory reports on Libyan Desert glass in the rare form of a bangle bracelet.

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Spring 2000 G&G; Book Reviews

“Romance of the Golcondra Diamonds”; “Ruby, Sapphire and Emerald Buying Guide”; “Rough Diamonds: A Practical Guide”; “Crystal Enchantments: A Complete Guide to Stones and their Magical Properties.”; “Diamonds and Precious Stones”

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Spring 2000 G&G; Lab Notes

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Purple to Purplish Red Chromium-Bearing Taaffeites

Gemological, microscopic, chemical, and spectroscopic properties are given for eight purple to purplish red chromium (Cr)- and iron (Fe)-bearing taaffeites and, for comparison, two grayish violet Fe-bearing but Cr-free samples.

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Spring 2001 G&G; Book Reviews

“Jeweled Bugs and Butterflies”; “Paulding Farnham: Tiffany’s Lost Genius”; “The Crown Jewels: The History of the Coronation Regalia in the Jewel House of the Tower of London”; “Colored Stones of Yakutia and Places of Their Origin”; “Gemmologia Europa VII—European Gemmologists on the Emerald”; “Mughals, Maharajas and the Mahatma”

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Spring 2001 Gem News International

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Spring 2001 G&G; Lab Notes

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Hydrothermal Synthetic Red Beryl from the Institute of Crystallography, Moscow

Hydrothermal synthetic red beryl has been produced for jewelry applications.

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Spring 2002 G&G; Book Reviews

“Christie’s Guide to Jewellery”; “The Theory & Practice of Goldsmithing”; “Fabergé Eggs: A Retrospective Encyclopedia”; “Colored Gemstones: The Antoinette Matlins Buying Guide”; “Diamonds: The Antoinette Matlins Buying Guide”; “The Gem Hunter in Afghanistan”

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Spring 2002 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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Spring 2002 G&G; Lab Notes

This section, from the Spring 2002 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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Serendibite from Sri Lanka

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Imitation Larimar

One of these contributors (PG) recently acquired a 3.91 ct drop-shaped cabochon, purchased in India as a Larimar imitation, that consisted of a ceramic material.

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Abstracts; Spring 1982

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A New Classification for Red-To-Violet Garnets

An overview of previous red-to-violet garnet classification schemes and a proposal for a new one.

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Padparadscha: What's in a Name?

An examination of the term used to describe a sapphire the color of a lotus blossom.

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Summer 1997 Gem News International

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Summer 1997 G&G Lab Notes

This section, from the Summer 1997 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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Topaz, Aquamarine, and Other Beryls from Klein Spitzkoppe, Namibia

This article presents, for the first time, both gemological and geologic information on topaz, aquamarine, and other beryls from miarolitic pegmatites at Namibia’s historic Klein Spitzkoppe mineral locality.

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