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

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SKU: 4302202