2022 CGA Gem Conference
2022 CGA Gem Conference, October 21-23 – Vancouver, BC
Over the next several weeks, the Roskin Gem News will feature the guest speakers who presented...
Ti Surface Diffusion: Just when you thought it was an easy identification
New research shows that the titanium surface diffusion treatment is being polished off the facets, but left inside cavities and fractures. Stone Group...
from Gemworld International: Citrine
2022GemFocus-NovCitrineDownload
This feature provided by Gemworld International, Inc., publisher of the GemGuide and Gem Market News.
Gems & Gemology, Fall issue 2022
GIA's flagship publication Gems & Gemology - Fall 2022
IN THIS ISSUEMethods and Challenges of Establishing the Geographic Origin of DiamondsSapphire Beneath the Rich Black...
Lizzadro: Celebrating 60 years!
New Exhibit Celebrates the Lizzadro Museum’s 60th Anniversary “On The Cutting Edge - Contemporary Gemstone Sculpture”By Helen Serras-Herman
A fabulous exhibit titled “On the Cutting...
Journal of Gemmology 38/no.3
The latest issue of the Journal is out. Lab grown diamonds are up front along with meetings and symposium proceedings. Features include Turquoise from...
Polishing Pretty Stories
jewellerybusiness.com - by Diana Jarrett -
Engage customers with the entire tale of coloured stones
Coloured gems sell -- we don't even need to classify...
How to Clean and Care for Your Jewelry
NYTimes.com - Zoe Vanderweide | October 31, 2022 -
Gold not so glittering? Diamonds looking dim? Lotions, household cleaners, improper storage, and everyday wear...
Marvel’s Reality Stones are real, spectacular rubies — and they’re on sale
Mozambique, transparent, no heat - LATimes.com - JEVON PHILLIPS, MULTIPLATFORM EDITOR -
Just as the Avengers did, a chosen few people can start collecting...
Why lasers are being used to write inside diamonds
BBCBen MorrisTechnology of Business editor
I am peering through a jeweller's eyeglass, looking for the BBC logo that has been inscribed inside a small diamond.
The...
On the Cutting Edge: Contemporary Gemstone Sculpture
On display now, featuring ten lapidary artists from the Americas representing gem carving trends in the 21st Century.Georg SchmerholzJulio Martínez BarnetcheLawrence StollerLuis Alberto Quispe...
Fluorescence that proves Natural
Stone Group LaboratoriesCara & Bear Williams
Findings from Stone Group Laboratories shows the blue/white fluorescence in diamond can only be natural in origin.
Many gemstones...
