The show includes a silent auction of jewelry, rocks, and minerals. Geode cutting is back again by popular demand. There’s a large raffle. Local vendors will also be available with a variety of food items.


The “Mountains of Minerals” show serves as a focal point to share mineral specimens from world-wide locations. Dealers from far and wide gather to share their knowledge and stock of minerals and demonstrations of lapidary techniques are show highlights.
This show is one of a few Gem Shows in California at that time. Mariposa is very near the geographic center of California, convenient to the central San Joaquin Valley and Yosemite National Park.
The show includes a silent auction of jewelry, rocks, and minerals. Geode cutting is back again by popular demand. There’s a large raffle. Local vendors will also be available with a variety of food items.