The Dragon Garnet
The Dragon Garnet
by Gary Roskin, exclusive for the Roskin Gem News Report
Dragon Garnet
So, what is Dragon Garnet?
What is it?
Basically, Dragon Garnet is a Malaya...
Bahrain Institute for Pearls and Gemstones Attains ISO Accreditation for Gemmological Services
Bahrain Institute for Pearls and Gemstones Attains ISO Accreditation for Gemmological Services
Press Release
The Bahrain Institute for Pearls and Gemstones (DANAT) has earned prestigious international...
AMS Micro: the Latest Tool for Detecting Synthetic Diamonds
AMS Micro: the Latest Tool for Detecting Synthetic Diamonds
De Beers Group Ignite launches latest diamond verification instrument, the AMS Micro
De Beers13 Feb 2024Press Release
First-of-its-kind...
New Spinel Treatment: Nickel Diffusion
New Spinel Treatment: Nickel Diffusion
Scientists at the GIA laboratory in New York City recently discovered spinel, treated by nickel diffusion, in a parcel of...
Chromium Surface Diffusion: a Trade Alert
Chromium Surface Diffusion: a Trade Alert
Chromium Surface Diffusion Treated “Ruby”By: Jeffery Bergman - ASG SGC of EighthDimensionGemsPhotos by Ayub Muhammad of Pretty Little GemJuly...
Indian Diamond Dealers Claim U.S. Harassment Over Russian Diamond Imports
Indian Diamond Dealers Claim U.S. Harassment Over Russian Diamonds Imports
U.S. 'Harasses' Indian Diamond Dealers Over Russian Gems; Transfers Worth ₹215 Cr Blocked
Responsible, Ethical, & Dealing...
LMHC Makes Progress on Corrundum Treatments
LMHC Makes Progress on Corrundum Treatments
30th LMHC meeting reports progress on laboratory report harmonization,discusses current challenges in detection of corundum treatments
BASEL: MARCH 14, 2023
Holding...
A Canary in the Ruby Mine
A Canary in the Ruby Mine
by E. Billie Hughes and Wim Vertriest
Low-Temperature Heat Treatment Experiments on Burmese Ruby
Detection of low temperature heat treatment in...
Laboratory Color Nomenclature: Gemological Science or Marketing?
Laboratory Color Nomenclature: Gemological Science or Marketing?
It has been a while since I have written a personal note. But now here goes.
The troubling conversation...
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...
An Unusual Pearl: Coated or Not?
Roskin Gem News ReportGary Roskin
Conch Pearl: Coated, or not?
Identification of pearl coatings can be a bit tricky, especially if the coating has been performed...
Color Enhancement in Ruby has SGL Seeing Red
Color Enhancement in Ruby has SGL Seeing Red
by Bear Williams, Stone Group Labs (SGL)
RUBIES are typically sent into professional gem labs for Identification...
