Rock & Gem Show Dates

 
 

November 2026

21-22—LAKESIDE, CALIFORNIA: Annual show; El Cajon Valley Gem and Mineral Society; Lakeside Rodeo Grounds, 12584 Mapleview St; Sat. 9-5, Sun. 9-4; Free; Gems, minerals, fossils, jewelry, beads, craft vendors, huge raffle, food booth and kids' activities. Fun for the whole family; contact Palmer J Taskerud, (619) 729-7904; Email: palmer.taskerud@cox.net; Website: www.ecvgms.org

January 2027

16-17—EXETER, CALIFORNIA: Annual show; Tule Gem and Mineral Society; Exeter Veterans Memorial District, 324 N Kaweah Avenue; Sat. 10-5, Sun. 10-4; Free; contact Malinda Hoskins, (559) 786-6147; Email: mmbhoskins@gmail.com; Website: https://www.tulegem.com/

February 2027

20-21—ANTIOCH, CALIFORNIA: Annual show; Antioch Lapidary Club; Contra Costa County Fairgrounds, 1201 West 10th Street; Sat. 10-5, Sun. 10-4; $7 adults, 12 & under/Scouts in uniform free; Jewelry, gems, meteorites, findings, supplies, auction, grab bags, exhibits, and hands-on projects for kids; contact Jennifer Heath; Email: jennheath50@yahoo.com; Website: www.antiochlapidaryclub.com

27-28—VALLEJO, CALIFORNIA: Annual show; Vallejo Gem and Mineral Society; McCormick Hall, Solano County Fairgrounds, 900 Fairgrounds Drive; Sat. 10-5, Sun. 10-5; $6 for adults, children under 12 free, free parking; Silent auction, Wheel of Fortune, raffle drawing, kids' corner, grab bags, demonstrators; contact Debra Duhon, (415) 254-1506; Email: dduhonvgms@gmail.com; Website: vjgems.com

March 2027

6-7—NEWARK, CALIFORNIA: Annual show; East Bay Mineral and Lapidary Club; Newark Pavilion, 6430 Thornton Ave; Sat. 10-6, Sun. 10-6; $8 Adults (All Weekend), 12 & Under Free, Seniors (65 and Over) Free on Sunday, Free Parking; Exhibits by club members of rocks/mineral collections and lapidary; vendors of minerals, fossils, gems, jewelry; a live auction of rocks and minerals in the rough/polished and fossils; demonstrators of lapidary work; a youth room with games and prizes; geode cracking; and free hourly door prizes; contact Debra Gilmore, (510) 353-3787; Email: Show@ebml.club; Website: https://www.ebml.club/Gem-Show/

6-7—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.); Dealers, exhibits, silent auctions & raffle, demonstrators, kids' activities; contact Diane Cook, (805) 312-8467; Email: info@vgms.org; Website: www.vgms.org

20-21—LANCASTER, CALIFORNIA: Annual show; Antelope Valley Gem and Mineral Club; Antelope Valley Fairgrounds, 2551 West Ave H; Sat. 10-5, Sun. 10-4; Free Admission; Parking $10; contact Jamie Quinn, (661) 874-9723; Email: marylandoriole@gmail.com; Website: Avgem.weebly.com

March 2027-April 2027

31-4—JOSHUA TREE, CALIFORNIA: Annual show; Joshua Tree Gem & Mineral Show; Joshua Tree Lake RV & Campground, 2601 Sunfair Rd; Wed. 9-5, Thu. 9-5, Fri. 9-5, Sat. 9-5; Sun. 9-4; Free Admission; This is a free biannual event featuring dozens of vendors; contact Bill Sherwood, (760) 218-6137; Email: socaldesert@yahoo.com; Website: joshuatreegemandmineralshow.com

April 2027

10-11—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 32nd annual show and will feature a large number of vendors with gems, minerals, rough material, jewelry, and other rock-related items. Additionally, we will have a large raffle, silent auction, and geode cutting; contact Meredith Meehan; Email: mgmc@sti.net; Website: https://mariposagemclub.org/mountains-of-minerals-show/

17-18—THOUSAND OAKS, CALIFORNIA: Annual show; Conejo Gem & Mineral Club; Borchard Community Center, Newbury Park, 190 N. Reino Rd; Sat. 10-5, Sun. 10-4; Free Admission; Exhibits by club members of rocks/mineral collections and lapidary; Vendors of minerals, fossils, gems, jewelry; a silent auction of rocks and minerals in the rough/polished and fossils; demonstrators of lapidary work; a youth room with games and prizes; a plant sale; and a free hourly raffle; contact Karen J Abrahams, (805) 908-1428; Email: karenjabrahams@gmail.com; Website: www.CGAMC.org