Gems & Gemology Fall 2016, Vol. 52, No. 3

Fall 2016 G&G Publication Information

Editorial Staff

Duncan Pay
Editors, Lab Notes 
Thomas M. Moses
Shane F. McClure
Contributing Editors 
James E. Shigley
Andy Lucas
Donna Beaton
Managing Editor 
Stuart D. Overlin
Editors, Micro-World 
Nathan Renfro
Elise A. Skalwold
John I. Koivula
Editor-in-Chief Emeritus
Alice S. Keller
Jennifer-Lynn Archuleta
Editors, Gem News 
Emmanuel Fritsch
Gagan Choudhary
Christopher M. Breeding
Customer Service
Martha Erickson
1(760) 603-4502
Technical Editors
Tao Hsu
Jennifer Stone-Sundberg
Editorial Assistants
Brooke Goedert
Erin Hogarth

Production Staff

Creative Director
Faizah Bhatti
Robert Weldon
Kevin Schumacher
Multimedia Specialist
Lynn Nguyen
Image Specialist
Eric Welch
Video Production
Pedro Padua
Nancy Powers
Betsy Winans

Peter Johnston
Production Specialist
Juan Zanuharia

Editorial Review Board

Ahmadjan Abduriyim
Tokyo, Japan
Aaron Palke
Brisbane, Australia
Nathan Renfro
Carlsbad, California
Timothy Adams
San Diego, California
A. J. A. (Bram) Janse
Perth, Australia
Benjamin Rondeau
Nantes, France
Edward W. Boehm
Chattanooga, Tennessee
E. Alan Jobbins
Caterham, UK
George R. Rossman
Pasadena, California
James E. Butler
Washington, DC
Mary L. Johnson
San Diego, California
Andy Shen
Wuhan, China
Alan T. Collins
London, UK
Anthony R. Kampf
Los Angeles, California
Guanghai Shi
Beijing, China
John L. Emmett
Brush Prairie, Washington
Robert E. Kane
Helena, Montana
James E. Shigley
Carlsbad, California
Emmanuel Fritsch
Nantes, France
Stefanos Karampelas
Lucerne, Switzerland
Elisabeth Strack
Hamburg, Germany
Eloïse Gaillou
Paris, France
Lore Kiefert
Lucerne, Switzerland
Wuyi Wang
New York, New York
Gaston Giuliani
Nancy, France
Ren Lu
Wuhan, China
Christopher M. Welbourn
Reading, UK
Jaroslav Hyrsl
Prague, Czech Republic
Thomas M. Moses
New York, New York


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Database Coverage

Gems & Gemology's impact factor is 0.394, according to the 2015 Thomson Reuters Journal Citation Reports (issued July 2016). 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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Author Guidelines

Gems & Gemology, a peer-reviewed journal, welcomes the submission of articles on all aspects of the field. Please see the Guidelines for Authors at or contact the Managing Editor. Letters on articles published in G&G are also welcome. Please note that Field Reports, Lab Notes, and Gem News International entries 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. copy­ right law for private use of patrons. Instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. Copying of the photographs by any means other than traditional photocopying techniques (Xerox, etc.) is prohibited without the express permission of the photog­rapher (where listed) or author of the article in which the photo appears (where no photographer is listed). For other copying, reprint, or republication permission, please contact the Managing Editor.

Gems & Gemologyis 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.