Gemological Abstracts

JOURNAL ARTICLE published 1 September 1992 in Gems & Gemology

Russian Synthetic Pink Quartz

JOURNAL ARTICLE published 1 April 1998 in Gems & Gemology

Authors: Vladimir S. Balitsky | Irina B. Makhina | Vadim I. Prygov | Anatolii A. Mar'in | Alexandr G. Emel'chenko | Emmanuel Fritsch | Shane F. McClure | Lu Taijing | Dino DeGhionno | John I. Koivula | James E. Shigley

May We Take a Bow?

JOURNAL ARTICLE published 1 January 2001 in Gems & Gemology

Authors: Alice S. Keller

A History of European Royal Jewel Sales, Including Sotheby's 2018 Auction of Marie Antoinette's Jewels

JOURNAL ARTICLE published 1 November 2020 in Gems & Gemology

Authors: Russell Shor

Land of Origins: A Gemological Expedition to Ethiopia

JOURNAL ARTICLE published 1 May 2019 in Gems & Gemology

Authors: Wim Vertriest | Daniel Girma | Patcharee Wongrawang | Ungkhana Atikarnsakul | Kevin Schumacher

A Microstructural Study of Pietersite from Namibia and China

JOURNAL ARTICLE published 1 December 2010 in Gems & Gemology

Authors: Kaifan Hu | Peter J. Heaney

Gems & Gemology Challenge Winners

JOURNAL ARTICLE published 1 September 2010 in Gems & Gemology

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

Natural-Color Pink, Purple, Red, and Brown Diamonds: Band of Many Colors

JOURNAL ARTICLE published 1 February 2019 in Gems & Gemology

Authors: Sally Eaton-Magaña | Troy Ardon | Karen V. Smith | Christopher M. Breeding | James E. Shigley

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