Research Article Search Results

Analyzes a group of 23 freshwater “Edison” pearls (a trade name referring to near-round freshwater cultured pearls, usually shell bead cultured) using various gemological and advanced instrumental techniques.

A rare transparent and near-colorless sodalite contains two-phase inclusions linking it to its ancient formation.

Provides criteria for detecting the resin filling of turquoise, an advanced treatment that reduces porosity and can dramatically improve appearance and stability.

A graduate of GIA’s Hong Kong Jewelry Design program hopes her award-winning design will help raise environmental awareness.

Abnormal fluorescence supports the likelihood that this amber bracelet had been “baked” to enhance its color.

An overview of how the gem and jewelry trade, from miners to manufacturers, and from designers to dealers, dealt with the many challenges posed by the pandemic.

A beautiful new gem and mineral museum in Tucson is home to the stunning Somewhere in the Rainbow collection.

Thailand’s travel ban greatly affected the supply of raw materials from other countries, but the Pranda Group was able to keep employees safe and return to full capacity after just a few months.

A rare chatoyant effect is produced within play-of-color patches in a natural opal.

The Carlsbad laboratory recently examined an unusually large faceted hexagonite with iridescent cleavage cracks and needle-like structures.

Two Australian rough diamonds demonstrate both pink and colorless sections in the same crystal.

An overview of the Spring 2021 Gems & Gemology content.