The Montana Gem Travelogue: A Firsthand Look at Sapphires, Gemology, and Big Sky Mining
The following is a review of Eric Emms’ Montana sapphire mining adventure.
"Hunting Montana Sapphires"This past June, Eric Emms, well-respected British gemmologist, educator, and Hatton...
Photomicrography: Images from Within
"I have a new image for you which I hope you’ll enjoy," says Sammantha Maclachlan.
Yes, it's another stunner!
This time, we have a series of...
The Italians are Coming! The Edit: A Gallery of Italian Jewelry Masterpieces
NEW YORK — The Edit, an exhibition of contemporary Italian jewelry design, will be held just following the JA Show, in New York City...
Gem-A’s Journal of Gemmology Examines the DNA of Gem Coral
Gem-A has just sent out their latest Journal of Gemmology, and, as always, it is packed full of note-worthy gem news.
On the cover (seen...
ZaZa Azul: A Paraíba for the People
How a beloved 13.34-carat tourmaline went from a private treasure to the Smithsonian
WASHINGTON, D.C. — On Tuesday morning, September 16th, 2025, the Smithsonian Institution’s...
AGTA Helps Secure EU Tariff Relief for Loose Colored Gemstones and Pearls
The American Gem Trade Association (AGTA) announced a significant win this month: loose colored gemstones and natural pearls imported from the European Union will...
Tariffs Squeeze Moonstone Trade: 50% India Tariffs are Affecting Business Right Now
Having just returned from California, where GIA’s Symposium and AGS’s Conclave joined forces as CONVERGE, we had an opportunity to visit with Manu Nichani...
LMHC Agrees on Colour Stability Testing, “Cobalt Spinel,” Tanzanite, as well as “Fei Cui”
Getting seven of the world’s leading gem labs to agree on anything is no small task. Yet for nearly 25 years, the Laboratory Manual...
Ethical Gem Fair NYC (Brooklyn) 2025
Time & Location
Oct 09-11, 2025, 10:00 AM - 5:00 PM EDTHosted by Brooklyn Metal Works, 640 Dean St, Brooklyn, NY 11238
About the event
The Ethical...
CGH Opens 5th Annual Fundraiser alongside MJSA’s Responsibly Sourced Design Challenge!
Columbia Gem House (CGH) has launched its fifth annual online fundraising raffle, "Opals for Outback Heroes," inspired by — and directly benefiting — the...
Hyperion, the Inclusion Search Engine… Provided by Lotus Gemology
The Hyperion image database is a searchable inclusion library, offering nearly 1,800 photomicrographs from the Lotus Gemology laboratory in Bangkok, indexed by gem type,...
GemGuide Pricing Update: Sapphire Charts in September/October Show Notable Changes
The September/October 2025 issue of the GemGuide from Gemworld International features several helpful changes to the sapphire pricing charts, now also available in the...
