
The Mineral and Gem Society of Castro Valley is open to participants of all ages who want to learn how to cut and polish lapidary grade rocks. You do not need to live in Castro Valley to join. Members come from throughout the Bay Area.
The Society holds its general meetings at 7:30 p.m. on the second Wednesday of each month (except for July and August) at the Mt. Eden Presbyterian Church in Hayward.
Visit a meeting and learn how to become a member. You can also learn more about the society's workshop located near the Hayward Airport here. The Society offers a monthly e-newsletter called The Petograph which contains articles and information about the hobby.
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It sponsors an annual gem and mineral show that is one of the most widely attended in California.
Visit the society's gallery here to see what you can learn to make.
Find out what's happening in Castro Valleyfor free with the latest updates from Patch.
At its meetings, the group often has guest speakers and offers many opportunities for networking with those who specialize in a variety of lapidary techniques.
For more information call (510) 887-9007 or e-mail info@mgscv.org
Membership information can be obtained here. The Society, formed in 1948, is a non-profit organization.