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A New Method for Detecting Be Diffusion-Treated Sapphires: Laser-Induced Breakdown Spectroscopy (LIBS)

JOURNAL ARTICLE published 1 January 2004 in Gems & Gemology

Authors: Michael S. Krzemnicki | Henry A. Hänni | Roy A. Walters

The Identification of Zachery-Treated Turquoise

JOURNAL ARTICLE published 1 April 1999 in Gems & Gemology

Authors: Emmanuel Fritsch | Shane F. McClure | Mikhail Ostrooumov | Yves Andres | Thomas Moses | John I. Koivula | Robert C. Kammerling

The Distinction of Natural from Synthetic Alexandrite by Infrared Spectroscopy

JOURNAL ARTICLE published 1 April 1988 in Gems & Gemology

Authors: Carol M. Stockton | Robert E. Kane

Gem Trade Lab Notes

JOURNAL ARTICLE published 1 June 1993 in Gems & Gemology

Gem Trade Lab Notes

JOURNAL ARTICLE published 1 April 1995 in Gems & Gemology

Gemological Abstracts

JOURNAL ARTICLE published 1 September 1987 in Gems & Gemology

Gem Trade Lab Notes

JOURNAL ARTICLE published 1 January 1995 in Gems & Gemology

A New Classification for Red-To-Violet Garnets

JOURNAL ARTICLE published 1 April 1983 in Gems & Gemology

Authors: W. William Hanneman

The Newly Expanded Deutsches Edelsteinmuseum of Idar-Oberstein, Germany

JOURNAL ARTICLE published 1 July 1983 in Gems & Gemology

Authors: Peter C. Keller

Book Reviews

JOURNAL ARTICLE published 1 June 2001 in Gems & Gemology

New Sources Bring New Opportunities

JOURNAL ARTICLE published 1 September 1991 in Gems & Gemology

Authors: Alice S. Keller

Gem Trade Lab Notes

JOURNAL ARTICLE published 1 September 2001 in Gems & Gemology

The Dr. Edward J. Gübelin Most Valuable Article Award

JOURNAL ARTICLE published 1 April 2010 in Gems & Gemology

Book Reviews

JOURNAL ARTICLE published 1 July 1983 in Gems & Gemology

Hackmanite/Sodalite from Myanmar and Afghanistan

JOURNAL ARTICLE published 1 April 2009 in Gems & Gemology

Authors: David Kondo | Donna Beaton

Book Reviews and Gemological Abstracts

JOURNAL ARTICLE published 1 April 2012 in Gems & Gemology

Gemological Abstracts

JOURNAL ARTICLE published 1 June 1986 in Gems & Gemology

Gem News

JOURNAL ARTICLE published 1 January 1989 in Gems & Gemology

Gemological Abstracts

JOURNAL ARTICLE published 1 January 2002 in Gems & Gemology

Gem News International

JOURNAL ARTICLE published 1 December 2009 in Gems & Gemology