A Conference Review – Gem-A
Gem-A November Conference Wins High Appreciation Among International Gemologists
Rough & Polished MagazineYa'akov Almor, Contributing EditorDecember 15, 2022
After a hiatus of three years, Gem-A –...
I feel the need to edit this!
I feel the need to edit this!
Gary Roskin - Roskin Gem News Report - January 2, 2022 -
Do we care about what other...
The Rise of the House of Asscher & that 10.67-carat Fancy Grey Diamond
The Rise of the House of Asscher & that 10.67-carat Fancy Grey Diamond
A bit of history with the 10.67 carat Fancy Grey Diamond ......
Tanzanite with faceted diamond beads
Tanzanite with faceted diamond beads -
Tanzanite, a blue/purple color variety of Zoisite, is found only in the Merelani Hills of North Eastern...
South Seas Cultured Pearls
South Seas Cultured Pearls -
South Seas cultured pearls are (most commonly) grown by implanting a mother of pearl (MOP) spherical bead inside a...
Natural Pearls
Natural Pearls -
Pearls that are created by Mother Nature (and the oyster, of course) are called "Natural Pearls." There is no (intentional) human...
Is it a Padparadscha, or not?
Is it a Padparadscha, or not?
GIA Observes Unusual Color Change in Sapphires During Color Stability Testing... and what is Tenebrescence?
Above - Image copyright GIA,...
from Gemworld International: Tanzanite
2022GemFocus-DecTanzaniteDownload
This feature is provided courtesy of Gemworld International, Inc., publishers of the GemGuide and Gem Market News.
From the Gem & Mineral Vault
Rhodochrosite
from Peru
on view at the Harvard Mineralogical & Geological Museum (MGM), Cambridge, Massachusetts, across the Charles River from Boston.
Photo by Gary Roskin
AGA Conference & Gala
Accredited Gemologists Association
2023 AGA Tucson Conference
Register to join us Wednesday, February 01, 2023
Conference features include a stellar lineup of six gemological education presentations and...
What is a “Circular Brilliant”?
The Palm Tree BroochChristie's Auction, Dec. 6
Gary Roskin -Roskin Gem News Report -December 07, 2022 -
The Palm Tree Brooch, a Cartier estate piece, was...
Dr. Jeffrey Post: Minerals Talk Live
Mineral Talks LIVE: Wednesday December 7, 2022
Do you want a more personal, in-depth connection with some of the most fascinating people in the mineral...
