the quarterly journal of the gemological institute of america
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the quarterly journal of the gemological institute of america
Tucson: A Showcase of Colored Gemstone Innovation
Duncan Pay, Editor-in-Chief
An overview of the Spring 2016 Gems & Gemology content.
Articles (5)
Chrysoberyl from the New England Placer Deposits, New South Wales, Australia
Examines a collection of chrysoberyl samples from these sapphire placer deposits to determine their distinct mineralogical and chemical properties.
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An Introduction to Photoluminescence Spectroscopy for Diamond and Its Applications in Gemology
Presents the underlying physics and methodology of this analytical technique, which has become an essential tool in identifying treated and synthetic diamonds.
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Gem-Quality Serpentine from Val Malenco, Central Alps, Italy
A detailed characterization of serpentine from this mountain locality, focusing on its use as a gem material.
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Identification of “Pistachio” Colored Pearls Treated by Ballerina Pearl Co.
A report on the color treatment process for these intensely greenish yellow to yellowish green cultured pearls and the techniques for identifying them.
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Variscite from Central Tajikistan: Preliminary Results
A look at the gemological properties and chemical composition of this light blue to light green to green gem material, which is suitable for cabochon cutting.
Read MoreRegular Features
Gem News International
Global coverage of gem sources, notable new gem materials, and recent industry developments.
View All (16)
MOST VALUABLE ARTICLE AWARD
Vanadium and Chromium-Bearing Pink Pyrope Garnet: Characterization and Quantitative Colorimetric Analysis
Ziyin Sun, Aaron C. Palke, and Nathan Renfro
The Chinese Soul in Contemporary Jewelry Design
Andrew Lucas, Merilee Chapin, Moqing Lin, and Xiaodan Jia
Splendor in the Outback: A Visit to Australia’s Opal Fields
Tao Hsu, Andrew Lucas, and, Vincent Pardieu
the archive
past gems & gemology issues
Winter 2024
Volume 60, Issue 4
Fall 2024
Volume 60, Issue 3
Summer 2024
Volume 60, Issue 2
Spring 2024
Volume 60, Issue 1
Winter 2023
Volume 59, Issue 4
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Winter 2022
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Winter 2021
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Fall 2021
Volume 57, Issue 3
Summer 2021
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Winter 2020
Volume 56, Issue 4
Fall 2020
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Winter 2016
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Winter 1991
Volume 27, Issue 4
Fall 1991
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Summer 1991
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Winter 1990
Volume 26, Issue 4
Fall 1990
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Summer 1990
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Winter 1989
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Volume 4, Number 12
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Winter 1942
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Fall 1942
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Summer 1942
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Winter 1935
(November-December)
Volume 1, Issue 12
Fall 1935
(September-October)
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Summer 1935
(July-August)
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Summer 1935
(May-June)
Volume 1, Issue 9
Spring 1935
(March-April)
Volume 1, Issue 8
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(January-February)
Volume 1, Issue 7
Winter 1934
(November-December)
Volume 1, Issue 6
Fall 1934
(September-October)
Volume 1, Issue 5
Summer 1934
(July-August)
Volume 1, Issue 4
Summer 1934
(May-June)
Volume 1, Issue 3
Spring 1934
(March-April)
Volume 1, Issue 2
Winter 1934
(January)
Volume 1, Issue 1
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