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Multi-colored gems are superimposed on an image of glacier peaks.
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Gems and Minerals from the Subarctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

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Sphalerite crystal inclusions in topaz
Sphalerite in Topaz

The first documented example of sphalerite as a crystal inclusion in colorless topaz.

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Pinkish orange inclusion in topaz.
Quarterly Crystal: Triplite in Topaz

The first triplite inclusion in a topaz host is examined.

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Brazilian colorless topaz with molybdenite inclusions.
Molybdenite in Topaz

An unusual host-inclusion association is revealed when cluster of crystals in a colorless topaz is discovered to be molybdenite.

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Pink Topaz from Pakistan

Pakistan has begun to produce fine gem-quality pink topaz.

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Thermal Alteration of Inclusions in "Rutilated" Topaz

Faceted colorless topaz containing acicular inclusions has been offered for sale as "rutilated" topaz.

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The Rutilated Topaz Misnomer

An examination of so-called "rutilated topaz."

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Sri Lanka: The Gem Island

An overview of the many types of gem-quality material, and its inclusions, currently found in Sri Lanka.

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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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