Abstracts; Summer 1991
From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
Insights From Inclusions
Natural gemstones are typically far more valuable than synthetic ones, so being able to identify them correctly is a powerful skill.
Artificially Induced Colour in Amethyst-Citrine Quartz
A new and rather unusual gem material and possible treatments are discussed.