Contra Costa Mineral & Gem Society

Are you a club officer or board member of Contra Costa Mineral & Gem Society? Claim your club’s profile to take control of your information and access free club management tools on Geology365.

📧 Note: The email below is for verification purposes and is not the club's contact address.

1. Create your free Geology365 account (if you don't already have one).
2. Email clubs@geology365.com to verify your affiliation with the club.
3. We’ll review your request and send next steps — usually within 24 hours.