• Cover of Gems & Gemology Winter 2010 issue, featuring multifaceted yellow and orange gemstones

Winter 2010

  • $15.00

The PDF version of this issue is available at no charge. Visit

Synthetic Gem Materials in the 2000s: A Decade in Review
Nathan Renfro, John I. Koivula, Wuyi Wang, and Gary Roskin

Yellow Scapolite from Ihosy, Madagascar
Margherita Superchi, Federico Pezzotta, Elena Gambini, and Emanuela Castaman

A Microstructural Study of Pietersite from Namibia and China
Kaifan Hu and Peter J. Heaney

Update on Mexifire Synthetic Fire Opal
Rajneesh Bhandari and Gagan Choudhary

A Study of the Gems in a Ciborium from Einsiedeln Abbey
Stefanos Karampelas, Marie Wörle, Katja Hunger, Hanspeter Lanz, Danilo Bersani, and Susy Gübelin

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 students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout.

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SKU: 4301001