Spring 2023 G&G Publication Information

Editorial Staff

Production Staff

Editorial Review Board

About the Cover

Designed by Zoltan David, this opal and green tourmaline necklace contains Knightsteel links with 99.42 total carats of Ethiopian opal beads. The 10.97 ct tourmaline from Afghanistan, faceted by Clay Zava, is set in a bezel with platinum inlay and 0.22 carats of diamonds. The necklace was one of many stunning pieces David exhibited at the 2023 Tucson shows, which are reported on in this issue. Photo by Robert Weldon; courtesy of Zoltan David.

Printing is by L+L Printers, Carlsbad, CA.

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ISSN 0016-626X

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Gems & Gemology’s impact factor is 2.045, according to the 2021 Journal Citation Reports by Clarivate Analytics (issued June 2022). G&G is abstracted in Thomson Reuters prod­ucts (Current Contents: Physical, Chemical & Earth Sci­ences and Science Citation Index–Expanded, including the Web of Knowledge) and other databases:

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Gems & Gemology, a peer-reviewed journal, welcomes the submission of articles on all aspects of the field. Please see the Author Guidelines at www.gia.edu/gems-gemology-author-guidelines or contact the Managing Editor. Letters on articles published in G&G are also welcome. Please note that Field Reports, Lab Notes, Gem News International, Micro-World, Colored Stones Unearthed, Diamond Reflections, and Charts are not peer-reviewed sections but do undergo technical and editorial review.

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Abstracting is permitted with credit to the source. Libraries are permitted to photocopy beyond the limits of U.S. copy­right law for private use of patrons. Instructors are permitted to reproduce isolated articles and photographs/images owned by G&G for noncommercial classroom use without fee. Use of photographs/images under copyright by external parties is prohibited without the express permission of the photographer or owner of the image, as listed in the credits. For other copying, reprint, or republication permission, please contact the Managing Editor.

Gems & Gemology is published quarterly by the Gemologi­cal Institute of America, a nonprofit educational organization for the gem and jewelry industry.

Any opinions expressed in signed articles are understood to be opinions of the authors and not of the publisher.