• Cover of Gems & Gemology Fall 2013 issue, featuring container with hinge made of green gem

Fall 2013

  • $15.00
The Museum of London's Extraordinary Cheapside Hoard
Robert Weldon and Cathleen Jonathan

On the Origin of Digit Patterns in Gem Opal
Benjamin Rondeau, Jean-Pierre Gauthier, Francesco Mazzero, Emmanuel Fritsch, Yves Bodeur, and Boris ChauvirÈ

Agates from Sidi Rahal, Morocco: Gemological Characteristics and Proposed Origin
Magdalena Dumanska-S≥owik, Lucyna Natkaniec-Nowak, Aleksandra Wese≥ucha-Birczynska, Adam Gawe≥, Marek Lankosz, and Pawe≥ WrÛbel

Useful Visual Clue Indicating Corundum Heat Treatment
John I. Koivula

Three Occurrences of Oregon Sunstone
Duncan Pay, Robert Weldon, Shane McClure, and Kevin Schumacher

Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).

GIA student and alumni save 10% on back issues! Enter coupon code GGALUM and a GIA Student Number at checkout.

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