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  • Cover of Gems & Gemology Summer 1999 issue, featuring braided gold necklace with large green gem

Summer 1999

  • $15.00
The PDF version of this issue is available at no charge. Visit www.gia.edu
On the Identification of Various Emerald Filling Substances
Mary L. Johnson, Shane Elen, and Sam Muhlmeister

Sapphire and Garnet from Kalalani, Tanga Province, Tanzania
Antonin V. Seifert and Jaroslav Hyrsl

Russian Synthetic Ametrine
Vladimir S. Balitsky, Taijin Lu, George R. Rossman, Irina B. Makhina, Anatolii A. Mar'in, James E. Shigley, Shane Elen, and Boris A. Dorogovin

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.

SKU: 99su