Venue: Centre Concord 5298 Clayton Rd Concord , CA 94521

The Contra Costa County Mineral & Gem Society is pleased to announce they are having their annual Gem and Mineral show at the Centre Concord . Show hours are 10am - 5pm each day. Family fun and games, Door prizes, Raffle and the popular Rock Auction will be back. Demonstrations of gold panning, fluorescent minerals with rock and gem ID. There will be over 20 dealers of minerals, fossils, meteorites and jewelry.

Entry fee $6, Active duty military, first responders, scouts in uniform admission are free.

Nevada County Gem and Mineral Society
Nevada County Fairgrounds, 11228 McCourtney Rd., Grass Valley, CA 95945
Hours: Saturday, 10 AM – 5 PM, Sunday 10 AM – 4 PM
26+ Exhibit cases, 28+ Vendors Showcasing Fossils, Minerals, Gems, Jewelry and so much more. Expanded Kids Corner, Gold Panning, Silent Auction, Raffles galore, Talks, Demonstrations, and of course Food Dealers.
General admission $3 person. Children, age twelve and under free with a paid adult, Military with I.D. free. Free Parking!!!

Rocks In a Hardplace will not be at this show this year - due to date conflict

NEW DATE April 13-14 2024
Mariposa Gem & Mineral Society
Mariposa County Fairgrounds, 1.8 miles south of Mariposa on historic Highway 49. Turn left into fairgrounds.
Hours: Saturday & Sunday 10 AM – 5 PM
Visit the Museum -no extra charge, Vendors Showcasing Fossils, Minerals, Gems, Jewelry and so much more. Kids Activities, Raffle, and Food Court.
Free Parking!!!