Mineral & Gem Society of Castro Valley
Hayward, California, United States
Mineral & Gem Society of Castro Valley is a rockhounding club based in Hayward, California. A member of the CFMS.
- Federation
- CFMS
- Specialty Focus
- Minerals/Gems
Field tripsOpen to beginners
More clubs in California
- American Opal Society — Anaheim
- Searchers Gem and Mineral Society — Anaheim
- Calaveras Gem & Mineral Society — Angels Camp
- Antioch Lapidary Club — Antioch
- Kern County Mineral Society — Bakersfield
- See all clubs in California →
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