California State Mining and Mineral Museum

5005 Fairgrounds Rd.
Mariposa, CA 95338- Map It
(209) 742-7625

AAA Editor Notes

California State Mining and Mineral Museum is 1.8 mi. s. on SR 49, at the main entrance to the county fairgrounds. It contains a collection of minerals, gold, diamonds and other gems, including examples of benitoite, the California state gemstone. A highlight is the Fricot Nugget, a nearly 14-pound chunk of crystalline gold discovered in the American River in 1864. Other exhibits include models of an assay office and stamp mill (a machine that crushed quartz) and a full-scale replica of a mine. The museum also presents rotating exhibitions of gem and mineral specimens from other institutions and private collections. Time: Allow 1 hour minimum.
$4; free (ages 0-12).
Hours: Thurs.-Sun. 10-5, May-Sept.; 10-4, rest of year. Closed Jan. 1, Thanksgiving and Christmas. Phone ahead to confirm schedule.