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Mint-green chrysoberyl.
Distinguishing Between Natural and Synthetic Green Chrysoberyl

Jennifer Stone-Sundberg, April 30, 2014

Overview and commentary on the 2013 Journal of Gemmology article “Natural and synthetic vanadium-bearing chrysoberyl”.

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Diamond from Mir Mine in Russia
A Glimpse into the Russian Diamond Trade

Russell Shor, April 30, 2014

Overview and commentary on the 2013 Russian Diamonds and Jewellery article “New Reality of the Russian Jewellery Market”.

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Linarite from Hoppel Collection
What Possesses Bidders at Auction? This Article Offers Some Clues

Russell Shor, April 30, 2014

Overview and commentary on the 2013 Rocks & Minerals article “The Heritage Auction of the Hoppel Collection”.

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Sapphire crystals
Beryllium in Blue Sapphires, Both Natural and Diffusion-Treated

Guy Lalous, April 30, 2014

Overview and commentary on the 2013 InColor article “Blue Sapphires and Beryllium: 'An Unfinished World Quest'”.

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HOC synthetic alexandrite inclusion.
Challenges in Orienting Alexandrite: The Usambara and Other Optical Effects in Synthetic HOC-Grown Russian Alexandrite

Jennifer Stone-Sundberg, April 30, 2014

Overview and commentary on the 2013 Journal of Gemmology article “Synthetic alexandrites grown by the HOC method in Russia: Internal features related to the growth technique and colorimetric investigation”.

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Abstracts; Spring 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Spring 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Winter 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Winter 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Autumn 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Autumn 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.

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Abstracts; Winter 1991

Dona M. Dirlam

This article, from the Winter 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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This double-sided teardrop ammonite fossil weighs 35.68 ct and was mined from Alberta, Canada. Photo by Robert Weldon, © GIA
Ammolite: an organic jewel

Jo Ellen Cole, January 31, 2014

Overview and commentary on the June 2013 Rock & Gem article, “Ammolite: an organic jewel”.

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The internal structures of natural pearls from the marine mollusk Pinctada maxima are the subject of the lead article in this issue. The scattered loose pearls on the cover are from Paspaley’s natural pearl collection, which includes one discovered in the 1970s at the Eighty Mile Beach fishing grounds
G&G Spring 2021 Edition
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