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Rock, Gem, Fossil and Mineral Show
April 30, 2027 — May 2, 2027 · 9:00 AM – 6:00 PM Unverified · Kalamazoo Expo Center—The Kalamazoo Geological & Mineral Society Rock & Gem Show is one of the largest rock and gem shows in the Midwest with 50,000+ sq ft of show space and 50+ booths.