Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.
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Circumnavigate the boreal reaches of the globe to explore gems from polar regions.
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A rare inclusion scene is found in a garnet crystal from Namibia.
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A collectable inclusion specimen is created by introducing garnets to synthetic quartz during the growth process.
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Under magnification, a round brilliant diamond features a pyrope garnet inclusion in an aesthetically pleasing shape.
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A quartz double cabochon showcases a garnet placed to imitate an inclusion.
Read MoreStraight, acicular, colourless solid inclusions in demantoid garnet from the Ural Mountains of Russia were investigated by laser Raman microspectrometry.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
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How to examine a sapphire crystal for cracks and inclusions.
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This article, from the Winter 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
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