Fall 2021 G&G Publication Information
Editorial Staff
Editor-in-Chief Duncan Pay |
Editors, Lab Notes Thomas M. Moses Shane F. McClure |
Contributing Editors James E. Shigley Raquel Alonso-Perez |
Managing Editor Stuart D. Overlin |
Editors, Micro-World Nathan Renfro Elise A. Skalwold John I. Koivula |
Editor-in-Chief Emeritus Alice S. Keller |
Associate Editor Brooke Goedert |
Editors, Gem News Emmanuel Fritsch Gagan Choudhary Christopher M. Breeding |
Customer Service Amanda Perez (760) 603-4200 gandg@gia.edu |
Technical Editors Tao Hsu Jennifer Stone-Sundberg |
Assistant Editor Erin Hogarth |
Production Staff
Creative Director Faizah Bhatti |
Photographer Robert Weldon |
Illustrator Russel Samson |
Multimedia Designer Michael Creighton |
Multimedia Associate Christopher Bonine |
Photo/Video Producer Kevin Schumacher |
Video Production Larry Lavitt Pedro Padua Albert Salvato |
Editorial Review Board
Ahmadjan Abduriyim Tokyo, Japan |
Jaroslav Hyršl Prague, Czech Republic |
Sudarat Saeseaw Bangkok, Thailand |
Timothy Adams San Diego, California |
Dorrit Jacob Canberra, Australia |
Karl Schmetzer Petershausen, Germany |
Edward W. Boehm Chattanooga, Tennessee |
A.J.A. (Bram) Janse Perth, Australia |
Andy Shen Wuhan, China |
James E. Butler Washington, DC |
Mary L. Johnson San Diego, California |
Guanghai Shi Beijing, China |
Alan T. Collins London, UK |
Stefanos Karampelas Paris, France |
James E. Shigley Carlsbad, California |
Sally Eaton-Magaña Carlsbad, California |
Lore Kiefert Lucerne, Switzerland |
Elisabeth Strack Hamburg, Germany |
John L. Emmett Brush Prairie, Washington |
Simon Lawson Maidenhead, UK |
Nicholas Sturman Bangkok, Thailand |
Emmanuel Fritsch Nantes, France |
Ren Lu Wuhan, China |
D. Brian Thompson Florence, Alabama |
Eloïse Gaillou Paris, France |
Thomas M. Moses New York, New York |
Fanus Viljoen Johannesburg, South Africa |
Al Gilbertson Carlsbad, California |
Laura Otter Canberra, Australia |
Wuyi Wang New York, New York |
Gaston Giuliani Nancy, France |
Aaron Palke Carlsbad, California |
Christopher M. Welbourn Reading, UK |
Lee A. Groat Vancouver, Canada |
Ilene Reinitz Chicago, Illinois |
Chunhui Zhou New York, New York |
Yunbin Guan Pasadena, California |
Nathan Renfro Carlsbad, California |
J.C. (Hanco) Zwaan Leiden, The Netherlands |
Peter Heaney University Park, Pennsylvania |
Benjamin Rondeau Nantes, France |
|
Richard W. Hughes Bangkok, Thailand |
George R. Rossman Pasadena, California |
About the Cover
The Neyshabur turquoise mine in Iran is the subject of an in-depth field report in this issue. Shown on the cover are a three-strand necklace and earrings featuring Persian turquoise beads. The necklace, designed by Suzanne Belperron (1900–1983), contains graduated beads measuring 6.3–14.68 mm and complemented by a diamond clasp. The Art Deco earrings with articulated baguette and old mine cut diamonds contain turquoise drops measuring 35 mm in length. Photo by Robert Weldon/GIA; courtesy of Sima G. Ltd., New York.
Printing is by L+L Printers, Carlsbad, CA.
GIA World Headquarters The Robert Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA
© 2021 Gemological Institute of America All rights reserved. ISSN 0016-626X
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Gems & Gemology’s impact factor is 1.775, according to the 2020 Thomson Reuters Journal Citation Reports (issued July 2021). 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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Manuscript Submissions
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, and Charts, and Diamonds from the Deep are not peer-reviewed sections but do undergo technical and editorial review.
Copyright and Reprint Permission
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.