This document provides the publication information for Gems & Gemology

Pyrite particles included in a “black grass” red agate are unique to material from Liangshan, China, and serve as indicators of origin.

Amphibole, a collectors’ stone in its own right, is identified as an inclusion in a ruby from Mozambique.

Methodical gemological testing in the New York laboratory unmasks a cleverly-dyed beryl imitating an emerald.

Thorough testing by Carlsbad gemologists reveals an artificial glass imitation posing as moldavite.

Eye-popping specimens are on display at the revitalized and newly-reopened Mignone Halls of Gems and Minerals at the American Museum of Natural History in New York City.

A large orange garnet forms a rare and beautiful inclusion in a color-change sapphire.

Meticulous testing of a bangle submitted to a Taiwan gemology lab proves it to be a composite of red calcareous coral and epoxy.

Agate appears as an interesting inclusion in a pair of faceted quartzes.