Preliminary Observations on Facet-Grade Ruby from Longido, Tanzania
Microscopic observation and trace element analysis is performed on rubies from Longido.
GSA 2017 Annual Meeting
Experts shared the latest research on gemstones at the Geological Society of America annual meeting in Seattle.
Gota de Aceite in a Zambian Emerald
A phenomenon usually seen in Colombian emeralds is found in a specimen from Zambia.
Suggested Reading on Rubies and Their Inclusions
Suggested Reading on Rubies and Their Inclusions
Book Review: Enduring Splendor: Jewelry of India’s Thar Desert
Review of Enduring Splendor: Jewelry of India’s Thar Desert by Thomas K. Seligman and Usha R. Balakrishnan
Book Review: Secrets of the Gem Trade, Second Edition
Review of Secrets of the Gem Trade, Second Edition by Richard W. Wise.
Book Review: Jeweled Splendors of the Art Deco Era: The Prince and Princess Sadruddin Aga Khan Collection
Review of Jeweled Splendors of the Art Deco Era: The Prince and Princess Sadruddin Aga Khan Collection by Sarah Davis
The Foxfire Diamond, Revisited
The 187.63 ct rough diamond from Canada’s Diavik mine shows surprising reactions to ultraviolet light.
Interesting Growth Structure in Black Diamond
Observations on a black diamond with an unusual inclusion pattern lead to theories on growth.
World of Gems Conference
A report from the fifth World of Gems Conference, held September 23–24 at the Loews Hotel in Chicago.
Lizard Skin on Deformed Diamond
The surface texture of a diamond is affected by the gemstone’s structure.
Tourmaline Crystals on Burmese Ruby
Myanmar’s Kyatpin Valley yields an fascinating gemstone association.
Vesuvianite in Burmese Ruby
A yellowish green crystal inclusion in a ruby is found to be vesuvianite.
Dyed Quartzite Imitation of Ruby-in-Zoisite
Beads appearing to be ruby-in-zoisite are revealed to be dyed quartzite.
Winter 2017 G&G Publication Information
This document provides the publication information for Gems & Gemology
Summer 2017 G&G Publication Information
This document provides the publication information for Gems & Gemology
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