Where to Find Chalcedony in Pennsylvania
Pennsylvania has 7 mapped collecting spots that report chalcedony, spread across 7 counties. 7 of the spots are on land mapped as publicly accessible.
Every chalcedony spot we track in Pennsylvania
BridgeportMontgomery County, PennsylvaniaPublic access · Calcite, Chalcedony, Dolomite +5- HarrisburgYork County, PennsylvaniaPublic access · Agate, Amethyst, Chalcedony +4
- FeastervilleBucks County, PennsylvaniaPublic access · Sunstone, Agate, Feldspar +3
- PhiladelphiaDelaware County, PennsylvaniaPublic access · Agate, Petrified Wood, Chalcedony +3
- Alsace TownshipBerks County, PennsylvaniaPublic access · Chalcedony, Jasper, Agate
- DerryWestmoreland County, PennsylvaniaPublic access · Quartz, Chalcedony, Jasper
- WatersideBedford County, PennsylvaniaPublic access · Calcite, Chalcedony, Chert
Best counties for chalcedony in Pennsylvania
Ranked by the number of mapped chalcedony spots. County links open the full rockhounding page for that county.
Before you go
Read the chalcedony identification guide so you know what a keeper looks like in the field: Chalcedony in the encyclopedia.
Chalcedony in Pennsylvania FAQ
Where can you find chalcedony in Pennsylvania?+
The mapped spots concentrate in Bedford County, Berks County, and Bucks County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many chalcedony spots are mapped in Pennsylvania?+
7 spots across 7 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect chalcedony in Pennsylvania?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 7 of the 7 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
Where else to find chalcedony
More minerals to hunt in Pennsylvania
Hunt chalcedony in Pennsylvania 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.
