Where to Find Quartz in Wyoming
Wyoming has 11 mapped collecting spots that report quartz, spread across 7 counties. The largest share sits in Sweetwater County County with 4 spots. 11 of the spots are on land mapped as publicly accessible.
Spot list checked against source data on April 1, 2026.
Map of 11 quartz collecting spots in Wyoming
Standout quartz spots in Wyoming
Hand-picked from the full list below, with the reason each one earns a trip.
Atlantic City
Fremont County County
Atlantic City sits in the South Pass country, where Wyoming's gold-mining history overlaps with the central Wyoming jade and agate belt. The mix of quartz, muscovite, tourmaline, jasper, chalcedony, and nephrite makes it a broader hard-rock and float locality than the single-material Sweetwater agate stops nearby.
Warm Springs
Fremont County County
Warm Springs is a strong Granite Mountains-area pick because it combines Wyoming jade targets with agate, jasper, chalcedony, quartz, and silicified wood in one public-land collecting corridor. WSGS identifies jade as Wyoming's best-known gemstone and also lists agate, petrified wood, and quartz crystals among the state's important collector materials.
Kemmerer
Lincoln County County
Kemmerer anchors the western Green River Formation belt, where public-land outcrops and gravels can yield chert, chalcedony, jasper, silicified wood, and fossiliferous lapidary stone. It is included separately from the paid fossil-fish quarries because the best free collecting value is common lapidary material on verified public parcels, not commercial quarry access.
Kirwin Mine
Park County County
Kirwin is the strongest metallic-mineral contrast to Wyoming's agate and wood localities, with USGS work documenting the district's copper, gold, lead, zinc, molybdenum, and silver mineralization. The specimen suite, including chalcopyrite, galena, sphalerite, pyrite, quartz, azurite, and malachite, makes it a focused historic mining-district stop rather than another chalcedony field.
Best counties for quartz in Wyoming
Ranked by the number of mapped quartz spots. County links open the full rockhounding page for that county.
- Sweetwater County4 spots
- Fremont County2 spots
- Converse County1 spot
- Johnson County1 spot
- Lincoln County1 spot
- Park County1 spot
- Uinta County1 spot
Every quartz spot we track in Wyoming
Sorted by county. Coordinates open in Google Maps.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Box Elder Canyon | Converse County | 42.7696, -105.7727 | Public | |
| Atlantic CityRiverview Cutoff | Fremont County | 42.4895, -108.7275 | Public | |
| Warm SpringsEmigrant Trail | Fremont County |
| 42.4908, -108.1721 | Public |
| Buffalo | Johnson County |
| 44.4527, -106.5548 | Public |
| KemmererEmigrant Trail | Lincoln County |
| 41.8114, -110.4780 | Public |
| Kirwin MineWood River | Park County | 43.8746, -109.2848 | Public | |
| Farson | Sweetwater County | 42.1694, -109.4311 | Public | |
| Red DesertTipton-North Road | Sweetwater County | 41.8194, -108.2799 | Public | |
| Rock Springs | Sweetwater County | 41.6163, -109.1605 | Public | |
| Sweetwater CountyWY 374 | Sweetwater County |
| 41.5388, -109.4846 | Public |
| Blacks Fork Creek | Uinta County |
| 41.5683, -110.1414 | Public |
Before you go
Read the quartz identification guide so you know what a keeper looks like in the field: Quartz in the encyclopedia.
Quartz in Wyoming FAQ
Where can you find quartz in Wyoming?+
How many quartz spots are mapped in Wyoming?+
Is it legal to collect quartz in Wyoming?+
Where else to find quartz
More minerals to hunt in Wyoming
Hunt quartz in Wyoming with the map in your pocket
RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.
