The Rhode Island Mineral Hunters' annual Gem, Mineral & Fossil Show is a family-friendly weekend event at the Community College of Rhode Island's Knight Campus in Warwick, featuring dealers in mineral specimens, fossils, gemstones, and jewelry, plus club educational displays, a fluorescent-mineral room, silent auctions, hourly door prizes, and a kids' corner. Saturday and Sunday, 10am–5pm. (2026 dates and admission to be confirmed with the club.)