Gemological Science has lost a Champion: George Rossman, PhD, 1944–2026
In Memoriam
George Rossman, PhD, 1944–2026, Professor of Mineralogy, Emeritus,California Institute of Technology , died on Friday, February 6, 2026. He was 81 years old.
On...
Making an Impression: The Art and Craft of Ancient Engraved Gemstones
Virtual Exhibition Tour Available here belowEmory University, Michael C. Carlos MuseumAtlanta, Georgia, USA
According to Emery University, "Making an Impression: The Art and Craft of...
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...
Photomicrography: Images from Within, Images by Sammantha Maclachlan
Images by Sammantha Maclachlan
Sammantha Maclachlan FGA DGA FIRV MJVA AJP PJDIP CPAA - JVA Registered Valuer®ï¸
Winner of the Gordon Ness trophy (gemmology)
Fellow of the...
Surprise Reds! Rio Tinto’s Successful Pink (and yellow) Tender
Surprise Reds! Rio Tinto's Successful Pink (and yellow) Tender
Press Release and MORE!
At Rio Tinto"'s inaugural Beyond Rareâ„¢ Tender: The Art Series, exceptional results were...
AGTA Announces the 2025 Spectrum & Cutting Edge Award WINNERS! … and the Roskin...
On a Personal Note:There was certainly a buzz in the room – well over 300 pieces to view, loose gems and gem-set jewelry stretched...
Images from Tucson
Images from Tucson
One of the many Tucson highlights would be the vast variety of gem materials brought for sale and display. Of course you...
An Open Letter to the Gem Industry… A Reality Check: Understanding the Zambian Emerald...
The following is an open letter to the gem industry from Victor Kalesha, President of ESMAZ, the Emerald and Semi-Precious Stones Mining Association of...
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...
Nature’s Majesty Meets Bvlgari’s Savoir Faire
Nature"'s Majesty Meets Bvlgari"'s Savoir Faire
A remarkable creation from the Bvlgari High Jewelry Collection
Jewels & Jadeite Auction - Phillips, Hong KongAuction 23 May 2023...
Yogi’s Rings Presumed Melted
Yogi's Rings Presumed Melted
Hall of Famer's Jewels Stolen... and Destroyed?
SAY IT AIN'T SO!😲
Gary RoskinRoskin Gem News Report
After almost 2 decades of searching for stolen...
Invisible-Set Genius: Inside the Craft of Oscar Heyman
A Personal Note
Every now and then, a jeweler sends out a photo that stops you mid-scroll. Not because it's big or flashy, but because...
























