Giant Mineral, Gem, Rock & Fossil Show 2026
Saturday, November 14
10:00 AM – 5:00 PM · GMT-8 Los Angeles
Centre Concord
5298 Clayton Road, Concord, CA · Concord, CA, us
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Step into the fascinating world of earth science at the Contra Costa Mineral, Gem, Rock & Fossil Show in Concord. This 2-day family-friendly event features
Location
Centre Concord
5298 Clayton Road, Concord, CA, us
Hosted by
- CCCMGSclub.com-Rockhounding-Minerals-Gems
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