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Mineral & Gem Society of Castro Valley
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MGSCV's Historian Notebooks
Annual Show, 2025
Petrograph - Newsletter
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Home
Catalog
Collections
Blog
Learn More About Our Club
Petrographs
Calendar
Join Our Club
Contact Us
About Us
Renew Membership and/or Pay Locker Fees
Meetings
MGSCV's Historian Notebooks
Annual Show, 2025
Petrograph - Newsletter
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Meetings
Slides from the General Meetings:
May 2024:
Eel River Jasper
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