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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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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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Grayish blue aquamarine
Aquamarine with Unusually Strong Dichroism

This aquamarine's most striking feature was its unusually strong dichroism, displaying very deep blue and pale bluish green colors.

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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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