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Freeform topaz under daylight-equivalent light.
Polished Freeform Topaz Imitating Diamond Rough

Material submitted as a rough diamond is revealed through gemmological testing and analysis to be a near-colourless topaz.

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The Rutilated Topaz Misnomer

An examination of so-called "rutilated topaz."

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Gem-Bearing Pegmatites: A Review

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

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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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2010 Gemological Abstracts Header
Abstracts; Summer 2010

This article, from the Summer 2010 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside Gems & Gemology.

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