Rockhounding in Mariposa County, California
4 mapped rockhounding spots in Mariposa County. Most commonly produces chromite, jade, mariposite, rhodochrosite.
Map showing 4 rockhounding spots in Mariposa County, California
Minerals reported in Mariposa County
- Chromite1
- Jade1
- Mariposite1
- Rhodochrosite1
- Rhodonite1
- Spessartine Garnet1
Spots in Mariposa County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Purcell-Griffin Mine | 37.6622, -120.1956 | Public | |
| Surprise Claim |
| 37.6583, -120.0544 | Public |
| Unnamed Location (Jade) | 37.6463, -120.1177 | Public | |
| Unnamed Location (Mariposite)CA 132 |
| 37.7132, -120.2122 | Public |
Other rockhounding counties in California
- San Bernardino County8 spotsTop: Jasper, Blue Agate, Chalcedony
- San Diego County8 spotsTop: Lepidolite, Quartz, Beryl
- Los Angeles County7 spotsTop: Banded Agate, Bloodstone, Chalcedony
- Trinity County7 spotsTop: Jade, Anthophyllite, Chalcedony
- Kern County6 spotsTop: Agate, Jasper, Chalcedony
- Siskiyou County6 spotsTop: Agate, Petrified Wood, Bloodstone
Mariposa County FAQ
Where can I rockhound in Mariposa County, California?+
RockHoundR tracks 4 rockhounding spots in Mariposa County. Each entry below has coordinates, mineral notes, and access type. Always confirm local rules before collecting.
What rocks and minerals are common in Mariposa County?+
Spots in Mariposa County most often produce Chromite, Jade, Mariposite, Rhodochrosite, Rhodonite. Individual spots can vary widely.
Are these Mariposa County rockhounding spots on public land?+
Most spots in this list are tagged public, but access can change with seasons, claims, and local closures. Always verify before driving out — links in the app open the right BLM, USFS, or county pages.
Plan a Mariposa County rockhounding trip
Open RockHoundR to see these spots on the map alongside land overlays, weather, geology, and your saved finds.
