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Gems and Minerals from the Sub-Arctic

Sharon Bohannon, March 17, 2017

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

Abstracts; Summer 1991

Dona M. Dirlam

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

Aquamarine with Unusually Strong Dichroism

Gagan Choudhary, October 31, 2014

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

Aquamarine from the Masino-Bregaglia Massif, Central Alps, Italy

Rosangela Bocchio, Ilaria Adamo, and Franca Caucia

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