Fireworks in Ruby
An unheated purplish red ruby cabochon displays a white double-star phenomenon.
Pyritic Inclusions in Oregon Sunstone
Examination of an Oregon sunstone sample reveals pyritic and copper inclusions.
Summer 2024 G&G Publication Information
This document provides the publication information for Gems & Gemology
Gems & Gemology at Ninety: Consistency and Change
An overview of the Summer 2024 Gems & Gemology content.
Laboratory Growth of Gem Materials and the Attempt to Replicate Nature
Provides an overview of processes for synthesizing gem materials and explains how unique growth conditions enable them to be separated from naturally formed gems.