Gemological and Chemical Composition Characteristics of Basalt-Related Rubies from Chanthaburi-Trat, Thailand
Gemological and Chemical Composition Characteristics of Basalt-Related Rubies from Chanthaburi-Trat, Thailand
For the Labs: On Rubies from Thailand
by Enqi Li 1 and Bo Xu 1,2,3,*
1 School of Gemology, China...
Pink Sapphire or Ruby?
Pink Sapphire or Ruby?
On a Personal Note - gr
What is the difference between Pink Sapphire and Ruby? For many of us, the answer is...
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...
Sotheby’s: The Perfect Diamond – Yes, Perfect!
Sotheby's: The Perfect Diamond - Yes, Perfect!
It isn't very often that you can speak of a perfect diamond, but here we are. The term...
An Exclusive Post Auction Interview with Dev Shetty
An Exclusive Post Auction Interview with Dev Shetty
https://youtu.be/qovSWqh_Dkk
“We are very happy,” says an exuberant Dev Shetty, Founder & CEO of FURA Gems. “It’s a...
Dr. Gabriela Farfan
MTL Mineral Talks Live Introduces Smithsonian Curatrix
Mineral Talks LIVE (MTL), is a monthly podcast from BlueCap Productions, with support from the Mineralogical and Geological...
Describing Color in Gems • A Fool’s Guide
Describing Color in Gems • A Fool's Guide • Lotus Gemology
Richard W. HughesLotus Gemology
What is the finest blue, or the finest red?
In truth, there...
Gems & Gemology
Gems & Gemology
SPRING 2023 - VOLUME 59, ISSUE 1
On a personal note, if nothing else, the images in this issue, especially in the Sapphire & Tucson...
GSI opens third lab in Mumbai
GSI opens third lab in Mumbai
Rebecca Butler - Professional Jeweller -
One of the largest gemmological organisations in the world, Gemological Science International (GSI)...
Blackstone Acquires International Gemological Institute (IGI)
Blackstone Acquires International Gemological Institute (IGI)
Antwerp, May 21, 2023 – Blackstone (NYSE:BX) announced today that private equity funds managed by Blackstone (“Blackstone”) have acquired International...
US$155,552,014! Auction Results Top Estimate, Even Before Day 2
$155,552,014! Auction Results Top Estimate, Even Before Day 2
Record Broken
The anticipated auction results of $150 million for the private collection of Heidi Horten, Christie's...
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...
