Spring 2022
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Feature articles from this issue: Gem Topaz from the Schneckenstein Crag, Saxony, Germany: Mineralogical Characterization and Luminescence by Manuela Zeug, Lutz Nasdala, Chutimun Chanmuang N., and Christoph Hauzenberger History of Emerald Mining in the Habachtal Deposit of Austria, Part II by Karl Schmetzer GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout. Usually ships in 3-5 business days. SKU: 4302202
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