Rock & Gem Show DatesNovember 2025 8-9—CONCORD, CALIFORNIA: Annual show; Contra Costa Mineral & Gem Society; Centre Concord, 5298 Clayton Road; Sat. 10-5, Sun. 10-4; 13 & Over $10, 12 & Under FREE.; 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; contact Publicity Chair; Email: publicity@ccmgsclub.com; Website: https://www.ccmgsclub.com/show 8-9—CONCORD, CALIFORNIA: Annual show; Contra Costa Mineral and Gem Society; Centre Concord, 5298 Clayton Road; Sat. 10-5, Sun. 10-4; Adults - $10, Kids under 12 - free, Senior and Active Military discounts; 30 Vendors, 20 Display Cases, Demonstrators, Raffle, Silent Auction, Buy it Now buckets, CA Dig buckets, grab bags, rock art Kid's activities: CCMGS's very own Rock Monster! Spin the Wheel, Treasure Sand Dig, Plinko, educational treasure hunt, rock painting + more; contact Barbara Roderick, (925) 497-5240; Email: president@ccmgsclub.com; Website: ccmgsclub.comDecember 2025 5-7—COSTA MESA, CALIFORNIA: Wholesale and retail show; Gem Faire; OC Fair & Event Center, 88 Fair Dr; Fri. 12-6, Sat. 10-6, Sun. 10-5; $7 weekend pass; Fine jewelry, precious & semi-precious gemstones, millions of beads, crystals, gold & silver, minerals & much more at manufacturer’s prices. Buy direct from the importers & wholesalers. Jewelry repair & cleaning while you shop; contact Yooy Nelson, (503) 252-8300; Email: info@gemfaire.com; Website: http://www.gemfaire.com 12-14—SANTA BARBARA, CALIFORNIA: Wholesale and retail show; Gem Faire; Earl Warren Showgrounds, 3400 Calle Real; Fri. 12-6, Sat. 10-6, Sun. 10-5; $7 weekend pass; Fine jewelry, precious & semi-precious gemstones, millions of beads, crystals, gold & silver, minerals & much more at manufacturer’s prices. Buy direct from the importers & wholesalers. Jewelry repair & cleaning while you shop; contact Yooy Nelson, (503) 252-8300; Email: info@gemfaire.com; Website: http://www.gemfaire.comFebruary 2026 21-22—ANTIOCH, CALIFORNIA: Annual show; Antioch Lapidary Club; Contra Costa County Fairgrounds, 1201 West 10th Street; Sat. 10-5, Sun. 10-4; Adults - $7, Kids 12 and Under Free, Scouts in Uniform Free with Paid Adult, Active Military with ID Free; contact Donna Heath; Email: roccosgee1@yahoo.com; Website: antiochlapidaryclub.comFebruary 2026-March 2026 28-1—VALLEJO, CALIFORNIA: Annual show; Vallejo Gem and Mineral Society; McCormick Hall on Solano County Fairgrounds, 900 Fairgrounds Drive; Sat. 10-5, Sun. 10-5; $6 for Adults, Children under 12 are free, Free return admission on Sunday with wrist band; Vendors, Wheel of Fortune, grab bags, hourly drawings, demonstrators, silent auction, no pets allowed except trained service animals, tickets at door only--no online tickets; contact Debra Duhon, (415) 254-1506; Email: dduhonvgms@gmail.com; Website: vjgems.comMarch 2026 7-8—VENTURA, CALIFORNIA: Annual show; Ventura Gem & Mineral Society; Ventura County Fairgrounds, 10 W. Harbor Blvd; Sat. 10-5, Sun. 10-4; Free (Fairgrounds charges for parking); Exhibits of gems, minerals, fossils & lapidary arts; jewelry-making demos; gold panning; raffle prizes & silent auctions; Second-Hand Treasures Store & plant sale; 15+ dealers; kids' activities & free resources for teachers. A So-Cal tradition for 6 decades & counting; contact Diane Cook, (805) 312-8467; Email: info@vgms.org; Website: www.vgms.org 20-22—CLOVIS, CALIFORNIA: Annual show; Fresno Gem and Mineral Society; Clovis Rodeo Grounds, 748 Rodeo Drive; Fri. 10-5, Sat. 10-5, Sun. 10-4; $5 13 yr. and older; Family Fun and Educational! Silent Auctions, Door Prizes, geode cutting, Food Trucks; contact Daniel Bolm, (708) 821-7575; Email: danielbolm096@gmail.com; Website: https://www.fgms 28-29—LANCASTER, CALIFORNIA: Annual show; Antelope Valley Gem and Mineral Club; Antelope Valley Fairgrounds, 2551 W Ave H; Sat. 10-5, Sun. 10-4; Admission is free; Parking will be $10; contact Susan Chaisson Walblom; Email: Slchaisson@yahoo.comApril 2026 1-5—JOSHUA TREE, CALIFORNIA: Annual show; Joshua Tree Gem & Mineral Show; Joshua Tree RV Lake & Campground, 2601 Sunfair Rd; Wed. 9-5, Thu. 9-5, Fri. 9-5, Sat. 9-5; Family fun for all; Scads of vendors with everything from rough to polished minerals, hand-made jewelry, fossils, cabs, slabs, and much, much more; contact William Sherwood, (760) 218-6137; Email: socaldesert@yahoo.com 11-12—MARIPOSA, CALIFORNIA: Annual show; Mariposa Gem and Mineral Club; Mariposa County Fairgrounds, 5007 Fairgrounds Road; Sat. 10-5, Sun. 10-4; $5 for adults, kids 14 and under are free, parking is free; This is our 31st annual show. We have many vendors with gems, minerals, jewelry, lapidary rough, and other rock-related items for sale. Additional activities include a large raffle, silent auction, geode cutting, and “rock around the clock” for kids of all ages plus food; contact Meredith Meehan, (559) 868-3535; Email: mgmc@sti.net; Website: mariposagemclub.org/mountains-of-minerals-show/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.com |