Martinez Community Events

JOIN US for the Contra Costa Mineral & Gem Society’s ANNUAL MINERAL & GEM SHOW November 2-3, 2024! Come enjoy a rockin’ weekend full of affordable family FUN, holiday shopping, and educational experiences for ALL AGES! Vendors, Minerals, Gems, Fossils, Meteorites, Jewelry, Beads, Slabs, Displays, Fluorescent Tent, Demonstrations, Family Activities, Games, Rock Painting, Door Prizes, Silent Auctions, Raffles, plus SO much more... Enjoy FREE PARKING and FREE Sunday admission WITH PAID Saturday! Admission: 13 & Over $10. 12 & Under FREE. First Responders/Scouts/Youth Org. Members in Uniform FREE. Dates/Times: Sat. Nov. 2, 10AM-5PM. Sun. Nov. 3, 10AM-4PM. Location: Centre Concord, 5298 Clayton Rd., Concord, CA 94521. Learn more at www.ccmgsclub.com/show.