October Shows
Shasta District Fairgrounds, 1890 Briggs St., Anderson, CA 96007
Shasta Gem and Mineral Society
Hours: Saturday 9-5; Sunday 9-4
70th Annual Gem Show. Free to all; 70th Annual Gem Show. Jewelry, Crystals, Minerals, Fossils, Gemstones, Silent Auction, Exhibits, Raffle, Kids Booth.
Contact: sgmsrocksredding@gmail.com, (530) 722-7133
Website: shastagemandmineral.org
Flyer
Nevada County Fairgrounds, 11228 McCourtney Road, Grass Valley, CA 95949
NCGMS
Hours: 10 am - 4 pm
"Earth's Treasures" Gem & Mineral Show
Contact: (530) 885-4338
Flyer
Community Activities Building, 1400 Roosevelt Ave., Redwood City, CA 94061
Peninsula Gem and Geology Society & Sequoia Gem and Mineral Society
Hours: 10am - 5pm
Contact: impresciaconstruction@gmail.com / 650-575-3144
Website: pggs.org / sequoiagemandmineralsociety.org
123 W. Alvarado St., Fallbrook CA 92028
Fallbrook Gem and Mineral Society
Hours: 9am-4pm
Fall Festival of Gems and Minerals - a celebration of Earth's exotic treasures! A street fair with minerals, gems, fossils, jewelry, and so much more. Our childrens' activities are family-friendly and free. Free parking, free admission, and lots of fun!
Contact: fallbrookgems@gmail.com
fgms.org
First United Methodist Church, 22700 Sherman Way, West Hills, CA 91307
Woodland Hills Rock Chippers
Hours:Saturday, 10 am - 5 pm
27th Annual Gem Show
Contact: barnettcelia53@gmail.com
Website: rockchippers.org
Flyer
Memorial Hall, 1351 Maple Avenue, Santa Rosa, California 95404
Santa Rosa Mineral & Gem Society
Hours: Saturday 10 am to 6 pm; Sunday 10 am to 5 pm
Santa Rosa Mineral & Gem Society 49th Annual Mineral & Gem Show
Contact: vcommons@outlook.com / 408-691-7823
6151 H. Street, Sacramento CA 95819
Sacramento Mineral Society
Hours: Sat 10am - 5pm; Sun 10am - 4pm
It's our 90th Anniversary show! Celebrate with us at Sacramento Mineral Society's Gem, Mineral, & Jewelry Show. This year will be bigger & better than ever! Come see our Science Museum, Gem Trees, Live demos, Displays, Raffles, Rare Specimens, Fossils & more!
Get $1 off with the flyer below! Facebook Event Info
Contact: gemshow@sacgemshow.com, (916) 662-5819
Website: sacgemshow.com
Flyer
Velvet Rose Event Center, 300 S. Flower Street, Orange, CA 92868
American Opal Society
Hours: Sat 10am-6pm; Sun 10am-5pm
Come visit our 55th Annual Opal, Gem & Jewelry Show!
Opal and gem dealers from around the USA and beyond. Huge drawing! GRAND PRIZE: custom design by Stan McCall
Admission $5 Adults; Students with ID and Children under 15 FREE
FREE Parking
Contact: info@opalsociety.org (714) 501-9959
Website: opalsociety.org
Flyer
November Shows
Desert Empire Fairgrounds, 520 S. Richmond Rd., Ridgecrest CA 93555
Indian Wells Gem and Mineral Society
Hours: 9am-5pm
IWGMS 70th Annual Gem and Mineral Show
Free Admission and Free parking
Field Trip to club's Jasper claim on Sunday at 0900 - 5$ per adult
Sunday raffle
Contact: showchairman@iwgms.org
Website: https://iwgms.org
Flyer
Liberty Station Conference Center, 2600 Laning Rd., San Diego, CA 92106
San Diego Mineral & Gem Society
Hours: Sat. 10-6, Sun. 10-4
Gem Diego Show: Free Admission & Parking. Eateries next door. Free Gem ID, 28 dealers, 20+ exhibits, demonstrations, Kid's zone, gems, minerals, crystals, fossils, rough, cut stones, books, jewelry, slabs, door prizes & grand prize raffle (do not have to be there to win), and plenty more! Trained Service Animals Only!
Contact: benton.luannz@gmail.com
Website: SDMG.org
Centre Concord, 5298 Clayton Road, Concord, CA 94521
Contra Costa Mineral and Gem Society
Hours: Sat 10am-5pm, Sun 10am-4pm
Contra Costa 76th Annual Mineral & Gem Show
Over 30 vendors, rough rocks, minerals, fossils, gem stones, jewelry, beads, rocking tools, accessories. Kid activities, grab bags, silent auction and a raffle. hourly door prizes and a hungry rock monster, spin the wheel, treasure box dig.
Contact: show@ccmgsclub.com
Website: ccmgsclub.com
Lakeside Rodeo Grounds, 12584 Mapleview Street, Lakeside, CA 92040
El Cajon Valley Gem and Mineral Society
Hours: Sat: 9a-5p; Sun: 9a-4p
Join us for the 2026 Rock & Gem Round-up at the Lakeside Rodeo Grounds! There will be vendors of gems, minerals, fossils, jewelry, beads, handmade crafts and more. Kids activities and onsite food booth too! Free parking, admission, mineral identifications and lapidary demonstrations.
Contact: ECVGMS@gmail.com
Website
Flyer
March 2027 Shows
Ventura County Fairgrounds, 10 W Harbor Blvd., Ventura, CA 93001
Ventura Gem & Mineral Society
Hours: Sat 10am-5pm;Sun 10am-4pm
Dealers, demonstrators, gold panning, silent auctions & raffle, kids activities.
Contact: info@vgms.org, (805) 312-8467
vgms.org
Flyer
Newark Pavilion, 6430 Thornton Ave, Newark, CA 94560
East Bay Mineral & Lapidary Club
Hours: Sat: 10-6 Sun: 10-5
Contact: info@ebml.club (510) 353-3787
Website: http://info@ebml.club
Stanislaus County Fairgrounds, 900 North Broadway, Turlock, CA 95380
Mother Lode Mineral Society of California
Hours: 10AM-5PM
Turlock Rock & Gem Show presents the wonders of rocks, minerals, gems, and fossils on display and for sale. Live demonstrations of turning raw specimens into art forms and jewelry. Meet our animatronic velociraptor. Engage in kid's activities. Shop for beads and jewelry. Food & fun!
Contact: show@motherlodemineralsociety.com; (209) 961-3942
Website: turlockgemshow.com
Flyer
April 2027 Shows
Mariposa County Fairgrounds, 5007 Fairgrounds Road, Mariposa, CA 95338
Mariposa Gem and Mineral Club
Hours: Sat, 10am - 5pm; Sun, 10am - 4pm
This is our 36th annual show!
Contact: mgmc@sti.net
Website: mariposagemclub.org