The Mother Lode Mineral Society
Our Club

We are a 501(c)(3) educational non-profit organization.
Established 1936

Our club is devoted to educating, enlightening and educating its members and the public in many areas evolving from its mission in the earth sciences and lapidary arts. The club participates in, teaches and promotes classes at the Modesto Junior College in beginning and advanced lapidary, beginning and advanced jewelry making, lost wax casting, stone setting, wire wrapping, beading, gem carving, intarsia and faceting.

Additionally we have programs at our club meetings on fossils, geology and florescent minerals for our junior and regular members as well as participating in regularly scheduled field trips to seek out and collect rocks, minerals and fossils.

Club Meetings
December 1st Board Meeting

3500 Oakdale Rd, Modesto

November 1st General Meeting
1:15pmJunior Rockhounds
2:00pmNew Member Meeting
2:30pmGeneral Meeting
General Meeting Location
Tuolumne River Lodge
2429 River Rd., Modesto, CA 95351

The Mother Lode Mineral Society is one of the premier gem and mineral clubs in Central California with a prize winning monthly publication called the Ghost Sheet and one of the largest annual Gem, Mineral and Fossil shows in the state. Our meetings are on the first Sunday of the month at the Tuolumne River Lodge on 2429 River Rd., Modesto beginning at 1:15 for the juniors and 2:30 for the general meeting. We have 3 potluck meetings in June, September, and December which begin at 1:00pm. Guests and prospective new members are always welcome to attend.

What we do as a part of our club.

Annual Show


Junior Rockhounds



Shows & Events

Rockhounding can take you places.
awesome rock towers
star trek?
ancient petroglyphs
Where you can make amazing finds.
clear obsidian
priday plume
oregon rocks!