Spring 2022

GIA Store Verified independent store

→

Feature articles from this issue: Gem Topaz from the Schneckenstein Crag, Saxony, Germany: Mineralogical Characterization and Luminescence by Manuela Zeug, Lutz Nasdala, Chutimun C hanmuang 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 Show more