Research Article Search Results

An overview of the Summer 2025 Gems & Gemology content.

Provides a comprehensive summary of the special optical effects in gemstones, including opalescence, chatoyancy, asterism, schiller, and iridescence, and investigates the submicron inclusions and nanotextures in each type of phenomenal stone.

Profiles the extraordinary life and work of Ben Kho, from a young entrepreneur in Cambodia to an award-winning gem cutter.

Describes the geology, mineralogy, and formation of granitic-composition pegmatites and provides a summary of their worldwide occurrences.

A report from GIA’s Carlsbad laboratory on emerald and beryl samples studied as part of an ongoing beryl characterization research project.

A graduate of GIA’s Jewelry Design program in London is the recipient of the 2024 Gianmaria Buccellati Foundation Award.

Chick Boss, a small jewelry business based in Guatemala, gives back to the community.

The nonprofit organization Gems Keep Giving aims to improve global small-scale mining and gem-cutting communities.

Uniquely saturated examples of the collector stone were on display at GJX.

A large transparent colorless quartz crystal from the Yaogangxian mine plays host to numerous fluorite inclusions.

A look at Paraíba tourmaline melee, which offers a more accessible price point for consumers.

A prismatic colorless lepidolite crystal is observed in a copper-bearing tourmaline.