Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.
Read MoreG&G Brief presents an overview of the content of the Winter 2015 issue of Gems & Gemology.
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 MoreA treatise on the design, display, care and repair of fine gemstones.
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 MoreObserving a water drop’s interaction with opal, as well as refractive index, can confirm a specimen’s hydrophane nature with less risk of breakage than total immersion.
Read More