Photomicrography: Images from Within by Sammantha Maclachlan
Here's another amazing image from Sammantha ...
But before you read the description, just look at this picture. What do you think it is?
Or... what...
GIA’s Winter 2025 Gems & Gemology (G&G)
GIA’s Winter 2025 Gems & Gemology (G&G) issue is now available—online and in print. Fittingly, GIA describes this issue as one where “colored stones...
GIA and the Science of Origin Determination: The Research Behind the Report
AGTA's DYNAMIC Seminar with Dr. James Shigley, Dr. Aaron Palke, and Wim VertriestGIA's Team Discusses What it Takes to offer a Country of Origin...
The World Is Waiting: Shatter the Routine and Rules, and Go Expand Your Business...
A 2026 AGTA DYNAMIC Seminar Presentation
During the 2008 financial crisis, Rodney Rahmani watched his company’s sales drop by roughly 50%. Longstanding U.S. retail accounts...
Tariffs Are Spinning — AGTA Keeps Its Eye on the Real Goal
If you’re feeling a little dizzy trying to follow the latest tariff developments, you’re not alone.
First came the country-by-country tariffs President Trump imposed under...
Ninth Annual Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design
On February 6, 2026, the Gemological Institute of America (GIA), together with the Gianmaria Buccellati Foundation, presented the ninth annual Gianmaria Buccellati Foundation Award...
Australian Opal Centre (AOC) Announces 2026 Australian Opal Tour
The Australian Opal Centre (AOC) has announced the return of its Australian Opal Tour, scheduled for September 22–30, 2026—a nine-day journey covering more than...
Color Sold Well in Tucson — Now Comes the Real Test: Insights from Gemworld...
It was the second day of the AGTA’s Tucson GemFair — and the opening day of the DYNAMIC Seminar Series.
As tradition would have it,...
Photomicrography: Images from Within by Sammantha Maclachlan
The stunning photomicrographs (images taken using magnification to see details in or on gem materials) are simply amazing.
And here is another one for you,...
Gem-A’s GemIntro: A Practical Entry Point Into Gemmology
Gem-A’s GemIntroA Practical Entry Point Into GemmologyOpening the Door to Deeper Knowledge and Lifelong Discovery
Every so often, someone asks me, “Where should I start...
Gemological Science has lost a Champion: George Rossman, PhD, 1944–2026
In Memoriam
George Rossman, PhD, 1944–2026, Professor of Mineralogy, Emeritus,California Institute of Technology , died on Friday, February 6, 2026. He was 81 years old.
On...
Inside the War Room: How AGTA Took Its Tariff Case to Washington
On day two of the AGTA DYNAMIC Seminar Series, AGTA President Bruce Bridges and CEO John Ford did not step up with prepared remarks....






















