Explore / North America / Wyoming
Wyoming
Guernsey / Hartville uplift, WY
Mineral locality Documented siteGray area
What you could find
Reported finds from this ground.
Agates and jasperPhotos via Wikimedia Commons: Teerui (Public domain).
Why this spot
Rockhounding locality: druzy-coated agate breccia (Youngite) in the Hartville uplift
Type area for Youngite, a distinctive pink brecciated agate documented among Wyoming collectors and on mindat.View source →
Before you go
Hazards noted for this site.
Old quarries and workings
Keep exploring nearby
More spots in this area.