Winter 1988

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The PDF version of this issue is available at no charge. Visit www.gia.edu Gemstone Irradiation and RadioactivityCharles E. Ashbaugh IIIAmethyst Mining in BrazilDavid Stanley Epste inOpals from Opal Butte, OregonKevin Lane SmithA Gemological Look at Kyoceraís New Synthetic Star RubyJohn I. Koivula and Robert C. Kammerling 1988 Annual Index 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: 438801 Show more