Sharon Bohannon, May 17, 2019
Trapiche emeralds, which display a distinct six-spoke wheel pattern, set the standard as some of the finest and most spectacular crystals ever unearthed.
Read MoreRussell Shor, February 1, 2016
G&G Brief presents an overview of the content of the Winter 2015 issue of Gems & Gemology.
Read MoreBrendan M. Laurs, Thomas W. Overton
This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Read MoreRobert E. Kane, September 1, 1983
A report on the new synthetic ruby trade-named Ramaura.
Read MoreBrendan M. Laurs, Thomas W. Overton
This article, from the Summer 2010 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside Gems & Gemology.
Read MoreChristopher P. Smith, June 1, 2002
A relatively new production of red corundum, reportedly from Bangkok, has been offered for sale in recent years.
Read MoreChristopher P. Smith, September 1, 1996
This article presents the methods and instruments needed to analyse the internal growth structures of corundum.
Read MoreHenry A. Hänni, Karl Schmetzer, June 1, 1994
Greek manufacturer J. & A. Douros introduced a new flux synthetic ruby in early 1993.
Read MoreDona M. Dirlam
This article, from the Autumn 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.
Read MoreH. A. Hänni and K. Schmetzer, September 1, 1991
The authors present the mineralogical and gemmological properties of rubies found recently in the Morogoro area of Tanzania that have many features in common with rubies from Myanmar (Burma) and other comparable marble-type deposits.
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