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...
NAJA – half-day virtual conference on Organics
NAJA - half-day virtual conference on Organics
The upcoming conference will feature four webinars; each topic is specific to the organic gems, their market, quality...
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...
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...
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...
AMNH Gem Hall wins Design Award
AMNH Gem Hall wins Design Award
After four years of renovation, Ralph Appelbaum Associates have completed the transformation of the American Museum of Natural History’s...
Country of Origin – 3 Countries for 1 Sapphire
Country of Origin - 3 Countries for 1 Sapphire
What does it mean when a sapphire receives 3 Country of Origin reports and each country...
A Day with the AGA
A Day with the AGA
the Accredited Gemologists Association - Conference and Awards Ceremony: Tucson 2023
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...
from Gemworld International: Padparadscha
from Gemworld International: Padparadscha
Among these “fancy sapphires,” padparadscha, the delicate pure pink-orange variety, is the most popular and arguably the rarest.
Prominent corundum varieties ruby...
AGS and GIA Announce Launch of AGS Ideal Report by GIA
AGS and GIA Announce Launch of AGS Ideal Report by GIA
Diamond World News ServiceJan 23 2023 1:13PM
It is a digital-only supplement to GIA diamond...
Rapaport’s Rant [aka “New Year Message”]
Rapaport's Rant
For those of you who have not yet read Martin Rapaport's New Year Message, you can read the full message here.
For those...
