The Western Mass Mineral, Jewelry & Fossil Show is the annual show of the Connecticut Valley Mineral Club (founded 1940), held at the Castle of Knights in Chicopee. New England dealers exhibit mineral specimens, crystals, fossils, fine jewelry, and lapidary work alongside club display cases, with door prizes and a free mineral specimen for kids 12 and under. Held the fourth weekend of March; admission $5 (children 12 and under free with an adult). Exact 2027 dates to be confirmed when the club posts its flyer.