【USA】Analytical Techniques in Gemology: A Historical Overview
Editor’s NoteThis special issue of *Gems & Gemology* explores the sophisticated instrumentation used in modern gemology. As the field grows…
gem identification
【Montepuez, C】Update on Inclusion Scenes in Mozambican Rubies
Editor’s NoteThis article details a 2022 field expedition by GIA gemologists to ruby deposits in northern Mozambique, highlighting a visit to the…
【Weasua, Libe】Update on Liberian Ruby
Editor’s NoteThis article examines a new source of rubies from Liberia, building on earlier reports. The samples discussed were provided by the NGO…
【Brazil】Interesting Metallic Platelets in a Brazilian Paraíba Tourmaline
Editor’s NoteThis article details the gemological analysis of a rare 2.52 ct Paraíba tourmaline, confirming its Brazilian origin through advanced…
【Lucerne, Swi】About the GIA Gem Project and the Gem Collection of Dr. Edward J. Gübelin
Editor’s NoteThe pioneering work of Dr. Edward J. Gübelin established the modern scientific foundation for gemology. His vast personal collection,…
【Jaipur, Indi】Glass-Filled Polki-Cut CVD Synthetic Diamonds
Editor’s NoteThis article examines the delicate nature of polki diamonds and the growing market trend of filling them with high-refractive-index…
【Jaipur, Indi】Some Interesting Facts About the Precious Stone Emerald, You Will Be Amazed to Know
Editor’s NoteThis article explores the intricate process of gemstone identification, highlighting how experts analyze internal features like…
【Pavia, Italy】Determining if an Emerald is Natural or Synthetic
Editor’s NoteThis article explores the historical and modern applications of spectroscopy in gemology, from its origins in Newton’s prism experiments…