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Gem Trade Lab Notes

JOURNAL ARTICLE published 1 April 1982 in Gems & Gemology

Gem News

JOURNAL ARTICLE published 1 September 1994 in Gems & Gemology

An Update on Imperial Topaz from the Capão Mine, Minas Gerais, Brazil

JOURNAL ARTICLE published 1 January 1996 in Gems & Gemology

Authors: Daniel A. Sauer | Alice S. Keller | Shane F. McClure

Update on Gemstone Mining in Northern Mozambique

JOURNAL ARTICLE published 1 February 2017 in Gems & Gemology

Authors: Wim Vertriest | Vincent Pardieu

New Chromium- and Vanadium-Bearing Garnets from Tranoroa, Madagascar

JOURNAL ARTICLE published 1 June 2002 in Gems & Gemology

Authors: Karl Schmetzer | Thomas Hainschwang | Heinz-Jürgen Bernhardt | Lore Kiefert

Rough Diamond Auctions: Sweeping Changes in Pricing and Distribution

JOURNAL ARTICLE published 1 February 2015 in Gems & Gemology

Authors: Russell shor

The Rutilated Topaz Misnomer

JOURNAL ARTICLE published 1 June 1987 in Gems & Gemology

Authors: John I. Koivula

Congratulations!

JOURNAL ARTICLE published 1 September 1989 in Gems & Gemology

Authors: Richard T. Liddicoat

Gem News International

JOURNAL ARTICLE published 1 September 2007 in Gems & Gemology

New Beginnings

JOURNAL ARTICLE published 1 September 2011 in Gems & Gemology

Authors: Jan Iverson

Modeling the Appearance of the Round Brilliant Cut Diamond: An Analysis of Fire, and More About Brilliance

JOURNAL ARTICLE published 1 September 2001 in Gems & Gemology

Authors: Ilene M. Reinitz | Mary L. Johnson | T. Scott Hemphill | Al M. Gilbertson | Ron H. Geurts | Barak D. Green | James E. Shigley

The Capoeirana Emerald Deposit Near Nova Era, Minas Gerais, Brazil

JOURNAL ARTICLE published 1 September 1989 in Gems & Gemology

Authors: David Stanley Epstein

Gia's Symmetry Grading Boundaries For Round Brilliant Cut Diamonds

JOURNAL ARTICLE published 1 December 2011 in Gems & Gemology

Authors: Ron H. Geurts | Ilene M. Reinitz | Troy Blodgett | Al M. Gilbertson

Symposium: Meeting the Millennium

JOURNAL ARTICLE published 1 September 1997 in Gems & Gemology

Authors: William E. Boyajian

A Visual Guide to the Identification of Filled Diamonds

JOURNAL ARTICLE published 1 June 1995 in Gems & Gemology

Authors: Shane F. McClure | Robert C. Kammerling

Gem News International

JOURNAL ARTICLE published 1 June 2005 in Gems & Gemology

Gem News International

JOURNAL ARTICLE published 1 December 2010 in Gems & Gemology

Book Reviews

JOURNAL ARTICLE published 1 January 1987 in Gems & Gemology

Gemological Abstracts

JOURNAL ARTICLE published 1 July 1983 in Gems & Gemology

Remembering Gemology's Renaissance Man: John Sinkankas (1915-2002)

JOURNAL ARTICLE published 1 June 2002 in Gems & Gemology

Authors: Alice S. Keller