Spring 1990

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The PDF version of this issue is available at no charge. Visit www.gia.edu Gem Localities of the 1980sJames E. Shigley, Dona Mary Dirlam, Karl Schmetzer, and E. Alan Jobbins Gemsto ne Enhancement and Its Detection in the 1980sRobert C. Kammerling, John I. Koivula, and Robert E. Kane Synthetic Gem Materials in the 1980sKurt Nassau New Technologies of the 1980s: Their Impact in GemologyEmmanuel Fritsch and George R. Rossman Jewelry of the 1980s: A RetrospectiveElise B. Misiorowski 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. Usually ships in 3-5 business days. SKU: 439002 Show more