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OFFICIAL WEBSITE FOR THE
CONTRA COSTA MINERAL & GEM SOCIETY

Annual Membership Plans Currently Available

Contact us at contact@ccmgsclub.com if you don't see what you're looking for.

  • New Adult Membership (2025)

    30$
    +$2 Set Up Fee
    Is it your first time joining CCMGS? This is the membership for you! The cost covers your required member badge and includes all the benefits listed below! This membership is for adults over age 18.
     
    • One calendar year of membership for all of 2025
    • Includes membership to the CFMS, AFMS and the CO-OP
    • Monthly emailed editions of club newsletter 'Diablo Diggins'
    • Come on exclusive field trips to collect new rock specimens
    • Includes access to our club's Master Newsletter Archive
    • Exclusive discounts and offers from local rock businesses
    • Attend monthly general and/or board of director meetings
    • Check out materials from our members-only club Library
    • Enjoy private access to the Members-Only area of our Website
    • Access to annual holiday parties and special events
    • Exclusive access to write in and read our online club Blog
    • Enter friendly club, regional, and national competitions
    • Make like-minded friends and get involved in your community
    • Volunteer at our annual show and fundraising events
    • Includes costs for mandatory new member badge
    • Add minors to your membership for only $10 per child
    • Expires on December 31st, 2025

  • Renewing Adult Membership (2025)

    20$
    +$2 Set Up Fee
    Already a CCMGS Member? Use this option to renew your membership for the 2025 calendar year. The cost includes all the benefits listed below! This membership is for adults over the age of 18.
     
    • One calendar year of membership for all of 2025
    • Includes membership to the CFMS, AFMS and the CO-OP
    • Monthly emailed editions of club newsletter 'Diablo Diggins'
    • Come on exclusive field trips to collect new rock specimens
    • Includes access to our club's Master Newsletter Archive
    • Exclusive discounts and offers from local rock businesses
    • Attend monthly general and/or board of director meetings
    • Check out materials from our members-only club Library
    • Enjoy private access to the Members-Only area of our Website
    • Access to annual holiday parties and special events
    • Exclusive access to write in and read our online club Blog
    • Enter friendly club, regional, and national competitions
    • Make like-minded friends and get involved in your community
    • Volunteer at our annual show and fundraising events
    • Add minors to your membership for only $10 per child
    • Expires on December 31st, 2025
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