the quarterly journal of the gemological institute of america
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the quarterly journal of the gemological institute of america
Challenges and Opportunities
By Duncan Pay, Editor-in-Chief
An overview of the Summer 2014 issue of Gems & Gemology, plus thoughts
on the journal's future.
Articles (4)
Color Phenomena of Blue Amber
Investigates the presence of fluorescence, rather than iridescence, as the cause of color in blue amber from the Dominican Republic and Indonesia.
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Botswana’s Scintillating Moment
Examines the history of diamond production in Botswana and the long-term outlook for beneficiation through value-added industries.
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Three-Phase Inclusions in Emerald and Their Impact on Origin Determination
The role of three-phase inclusions in emerald, combined with spectroscopy and trace-element analysis, in determining geographic origin.
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Experimental Studies on the Heat Treatment of Baltic Amber
Amber samples were heat-treated, using various procedures and parameters, in an effort to reproduce materials found in the jewelry market.
Read MoreRegular Features
Gem News International
Global coverage of gem sources, notable new gem materials, and recent industry developments.
View All (12)
Gemological Abstracts
Summaries of important gem and jewelry articles recently published elsewhere.
View All (1)MOST VALUABLE ARTICLE AWARD
Recent Advances in Understanding the Geology of Diamonds
Steven B. Shirey and James E. Shigley
the archive
past gems & gemology issues
Winter 2023
Volume 59, Issue 4
Fall 2023
Volume 59, Issue 3
Summer 2023
Volume 59, Issue 2
Spring 2023
Volume 59, Issue 1
Winter 2022
Volume 58, Issue 4
Fall 2022
Volume 58, Issue 3
Summer 2022
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Spring 2022
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Winter 2021
Volume 57, Issue 4
Fall 2021
Volume 57, Issue 3
Summer 2021
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Winter 2020
Volume 56, Issue 4
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Volume 56, Issue 3
Summer 2020
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Winter 2019
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Winter 2018
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(November-December)
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Summer 1935
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Summer 1934
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Volume 1, Issue 4
Summer 1934
(May-June)
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(March-April)
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Winter 1934
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