Where to Find Chalcedony in South Dakota
7 mapped chalcedony rockhounding spots in South Dakota, across 5 counties. Chalcedony is the parent name for microcrystalline quartz, including agate, jasper, carnelian, and chrysoprase.
Map of 7 chalcedony rockhounding spots in South Dakota
Chalcedony by county in South Dakota
Counties ranked by number of chalcedony spots in our database.
Every chalcedony spot in South Dakota
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| ArdmoreEast Ardmore Road | Fall River County |
| 43.0107, -103.4691 | Public |
| Camp CrookSD Highway 20 | Harding County | 45.5525, -103.9650 | Public | |
| InteriorBen Reifel Road | Jackson County | 43.7320, -101.9454 | Public | |
| Spearfish CanyonUS Highway 14A | Lawrence County | 44.3470, -103.9244 | Public | |
| Whitewood CreekWhitewood Valley Road | Lawrence County | 44.5465, -103.5639 | Public | |
| Oglala | Oglala Lakota County | 43.2963, -102.9105 | Public | |
| Red ShirtTatanka Numpa Road | Oglala Lakota County | 43.6741, -102.8991 | Public |
Chalcedony in South Dakota FAQ
Where can I find chalcedony in South Dakota?+
RockHoundR tracks 7 chalcedony spots in South Dakota, spread across 5 counties. The strongest concentration is in Lawrence County.
Is collecting chalcedony legal in South Dakota?+
Casual hand collection of common rocks and minerals like chalcedony is allowed on most BLM and U.S. Forest Service land in South Dakota, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best chalcedony location in South Dakota?+
Lawrence County has the most chalcedony spots in our database for South Dakota. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for chalcedony
Other minerals to find in South Dakota
Hunt chalcedony in South Dakota on the map
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