Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.
Read MoreCircumnavigate the boreal reaches of the globe to explore gems from polar regions.
Read MoreG&G Brief presents an overview of the content of the Winter 2015 issue of Gems & Gemology.
Read MoreOften thought of as a deep red gemstone, garnet can also be yellow, orange, green or brown – any colour except blue.
Read MoreThis article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Read MoreThis article, from the Winter 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Read MoreThis article shows that the characteristic of colour appears to have little correlation with variations in bulk (not trace) composition or physical properties.
Read MoreAn overview of previous red-to-violet garnet classification schemes and a proposal for a new one.
Read MoreEight garnet species are defined and methods of identification are described.
Read MoreGem-quality andradites are easy to distinguish chemically from other types of gem garnets.
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