Save the Date:

April 8 & 9, 2017
Mariposa Mineral & Gem Show
Admission $3 - Kids are Free
Parking is free
Saturday 10 am - 5 pm
Sunday 10 am - 4 pm
At Mariposa Fairgrounds
on Highway 49    -   2 miles south of Mariposa
California State Mining & Mineral Museum
(209) 742-7625

MGMC Logo Mariposa Gem & Mineral Club (MGMC) is a non-profit organization which was founded in 1990.

Through articles, classes, field trips, shows, and workshops, we promote Earth Science Education and

lapidary arts and crafts instructions.


MGMC Email:    MGMC on  Facebook

Join Us

Yearly Membership fees:  $20.00 singles,   $30.00 couples,   $35.00 families

General Meeting - public welcome.  Monthly, second Sunday, 4:30 P.M. to 6:30 P.M., Mariposa Fairgrounds, Gem & Mineral Exhibition Bldg., Hwy. 49 South, 2 miles south of town.

Board meetings, members only.  Monthly, last Monday, 3:00 P.M. to 4:00 P.M., at the Quarry, downstairs Mariposa  Hotel Inn

Stop and Shop -  MGMC Store, 209-4367, location:  4994 7th St., Mariposa.  Open:  Mon.-Sat. 10:00-4:00, staffed by members.  Add to your specialty collections - rocks, minerals, fossils, silver smith keepsakes, Dichoric glass adornments, latest designs in art jewelry, and much, much more.

There is a lot to experience in Mariposa and the surrounding Sierra Nevada Mountains - NATURE'S WONDERLAND:


California Mining and Mineral Museum

Mariposa Museum and History Center
Yosemite National Park

Sierra Nevada Geotourism Map Guide
MGMC Affiliations: 

CFMS logoCalifornia Federation of Mineralogical Societies


AFMS Logo American Federation of Mineralogical Societies

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