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 and enlightening its members and the public in many areas of 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
Next Board Meeting
February 1, 2026 12:30PM
Next General Meeting
Juniors Meeting Begins
February 1, 2026 1:30PM
General Meeting Begins
February 1, 2026 2:30PM
General and Board Meeting Location
Tuolumne River Lodge
2429 River Rd., Modesto, CA 95351
Web: TuolumneRiverLodge.com
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.
Rockhounding can take you places.

awesome rock towers

star trek?

ancient petroglyphs
Where you can make amazing finds.

clear obsidian

priday plume
