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8.5 ct Aquamarine Cabochon
Aquamarine from the Masino-Bregaglia Massif, Central Alps, Italy

Aquamarine from granitic pegmatites of the Masino-Bregaglia Massif, Central Alps, Italy.

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Aquamarine, Maxixe-Type Beryl, and Hydrothermal Synthetic Blue Beryl: Analysis and Identification

Aquamarine, Maxixe-type (irradiated) beryl, and two types of hydrothermally grown synthetic blue beryl currently available in the marketplace were investigated by various gemological methods.

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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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Ancient Tourmaline and Beryl from Afghanistan

Examination of a large private collection of beads and carvings from antique excavations, assembled in the 1970s by a collector in Afghanistan.

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Filled Aquamarine Jewelry
Polymer-Filled Aquamarine

The authors have encountered hundreds of polymer-filled aquamarines in the Chinese jewelry market.

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A Status Report on Gemstones from Afghanistan

An overview of the plentiful and various gem materials being discovered and produced in Afghanistan.

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Gem-Bearing Pegmatites: A Review

A survey of the current gemological knowledge of pegmatites, including the gem varieties aquamarine, tourmaline, and topaz.

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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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Abstracts; Summer 1991

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

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