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...
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...
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...
Jedi Spinels: a quest to the origin of the ultimate red spinels!
AIGS News - a Webinar with Vincent Pardieu
Vincent Pardieu is a Consultant Field Gemologist at “VP Consulting WLL”, a writer and a documentary producer....
Gems & Gemology, Summer Issue 2022
Diamonds from Guyana, Ekanite from Sri Lanka, a New Amber Source in Vietnam, and More...
GIA.eduDuncan Pay, Editor-in-Chief
Other features include:The Shape of EkaniteDiscusses the unusual...
GAMMA Vol. 2 Issue 2
GAMMA: The ICA | GemLab Journal
In this issue of GAMMA, you will find a wealth of information about rubies and emeralds.
In particular... A...
5,010-carat ruby, weighing 1 kg unveiled in Dubai
Siasat.com - Sakina Fatima | 26 September 2022 -
The rough stone was discovered in the small village of Hyderabad, Pakistan, bordering Iran and Afghanistan.
...
Report by GSI: Rare phosphorescence in CVD Lab Grown Diamond
Diamond World News Service | Sept 29 2022 - Diamondworld.net -
Lab Grown Diamonds have gained increased popularity in recent times. Today’s cutting-edge technology...