Rock & Gem Show DatesMay 2026 9-9—ROSEVILLE, CALIFORNIA: Annual Tailgater; Roseville Rock Rollers Gem & Mineral Society; @ the Grounds, Roseville Rock Rollers Lapidary Shop & Yard, 200 Corporation Yard Road, Lot L; Sat. 9-3; Free admission; The RRR annual tailgater is a free, family-friendly event. Featuring two dozen seasoned vendors selling specimens, gems, jewelry, fossils, petrified wood, minerals, lapidary supplies, and more—all at tailgater prices! Vendors must be pre-registered, contact chairperson for info; contact Martha Nichols - Tailgater Chairperson, (916) 798-0235; Email: rosevillerockrollers@gmail.com; Website: https://rockrollers.com/pages/tailgaterJune 2026 27-28—CULVER CITY, CALIFORNIA: Annual show; Culver City Rock and Mineral Club; Culver City Veteran's Memorial Auditorium, 4117 Overland Ave; Sat. 10-6, Sun. 10-5; Free Admission and Parking; This year’s featured gemstone is malachite, which is celebrated for its rich green colors and natural beauty. Perfect outing for families, hobbyists and gem enthusiasts. Dealers selling minerals, gems, cabochons, beads, and jewelry findings; contact Janice Metz; Email: culvercityrocks35@gmail.com; Website: https://culvercityrocks.org/July 2026-August 2026 31-2—NIPOMO, CALIFORNIA: Annual show; Orcutt Mineral Society; Nipomo High School, 525 N. Thompson Rd; Fri. 10-5, Sat. 10-5, Sun. 10-4; Free; There are 60 outside dealers and 12 inside dealers and food trucks and a kids booth; contact Renea Sutcliffe, (805) 929-2783; Email: nipomocowgirl55@yahoo.comAugust 2026 1-2—ROSEVILLE, CALIFORNIA: Annual show; Roseville Rock Rollers Gem and Mineral Society; Roebbelen Event Center within @the Grounds, 700 Event Center Drive; Sat. 10-5, Sun. 10-4; $10, Kids - 12 and under Free - Venue Parking fee; It's the Rock Rollers 63rd annual big show. Over 80 vendors, inside/out, featuring: Crystals, Fossils, Minerals from around the world, Jewelry, Amethyst, Gemstones, Opal, Beads, Meteorites, Demo's, Mineral ID, Rock Auctions, Special area for Kids. NorCal's largest show; contact Gloria P Marie, (916) 216-1114; Email: gloriarosevillerockrollers@gmail.com; Website: www.rockrollers.com 15-16—TEHACHAPI, CALIFORNIA: Annual show; Tehachapi Valley Gem and Mineral Society; Tehachapi Senior Center, 500 East F Street; Sat. 9-5, Sun. 9-4; Free; Gem, mineral, and jewelry show with amazing vendors, family activities, opals and fine stones. Handmade jewelry. Raffles, geodes and so much more; contact Ronald Myrick, (661) 972-1117; Email: travis462@outlook.com; Website: https://www.tvgms.net/September 2026 5-6—HANFORD, CALIFORNIA: Annual show; WonderVision Wellness & Emporium; Hanford Civic Center, 400 N Douty; Sat. 10-5, Sun. 10-4; Free; Our annual Labor Day Gem & Mineral Show is a free family-friendly event. With over 30 vendors inside and outside, we offer stunning gems and minerals of all kinds for every rock lover. We also have local artists and food vendors outside with talented local musicians bringing music to our ears; contact Michelle Rowsey, (559) 368-2511; Email: wondervisionwellness@gmail.com; Website: wondervisionwellness.comOctober 2026 10-11—REDWOOD CITY, CALIFORNIA: Annual show; Peninsula Gem & Geology Society and the Sequoia Gem & Mineral Society; Community Activities Bldg, 1400 Roosevelt Avenue; Sat. 10-5, Sun. 10-5; $5 for adults, children 12 and under free; Displays, demonstrations, mineral and gem identification, make a rock collection; contact Cliff Imprescia; Email: impresciaconstruction@gmail.com; Website: Pggs.org -or- sequoiagemandmineralsociety.org 17-18—SANTA ROSA, CALIFORNIA: Annual show; Santa Rosa Mineral and Gem Society; Santa Rosa Veteran's Memorial Building, 1351 Maple Ave; Sat. 10-6, Sun. 10-5; Adults $8, Kids under 12 Free, Free Parking; 49th annual show. There are over 35 vendors selling gems, minerals, jewelry, lapidary rough, meteorites and other rock-related items. Educational displays, raffle, mineral exhibits, silent auctions, and lapidary demonstrations. Kid's Corner with Parent & Me activities and treasure hunt. Food truck vendors are on-site; contact Victoria Commons; Email: agatejasper221@gmail.com; Website: http://www.srmgs.orgNovember 2026 14-15—CONCORD, CALIFORNIA: Annual show; Contra Costa Mineral and Gem Society; Centre Concord, 5298 Clayton Road; Sat. 10-5, Sun. 10-4; Admission $10 Kids under 12 free, Senior discount; Tickets can be purchased online. Over 30 vendors - Rocks, minerals, fossils, gemstones, silent auction, rocks by the bucket, professional demonstrators, rock ID with experts, display cases, Spin the Wheel, rock painting, treasure box dig, rock monster, door prizes & raffle ; contact Mike Hopkins, (925) 570-4719; Email: show@ccmgsclub.com; Website: www.ccmgsclub.com |