Rockhounding in Delaware County, Pennsylvania
8 mapped rockhounding spots in Delaware County. Most commonly produces quartz, amethyst, feldspar, garnet.
Delaware County rockhounding photos
Representative spot and material photos from this county, shown where verified public image records are available.
Map showing 8 rockhounding spots in Delaware County, Pennsylvania
Standouts in Delaware County
Hand-picked spots in Delaware County, chosen for unusual mineralogy or documented public access. Each card opens the full coordinates and access notes.
Top pickChester Creek
PublicDelaware County
Chester Creek cuts through the same amethyst- and quartz-bearing Piedmont crystalline belt, and its gravels carry amethyst and smoky quartz weathered out of local veins and pegmatites. It offers easy, low-impact surface collecting close to the Philadelphia metro. A dependable creek spot for quartz-family material.
Amethyst, Smoky Quartz
Top pickCrum Creek
PublicDelaware County
Crum Creek drains the pegmatite-rich crystalline rocks of the Delaware County Piedmont, and its gravels concentrate golden beryl, amethyst, garnet and quartz eroded from those bodies. Stream collecting here needs no digging and rewards patient surface hunting. It is an accessible, productive creek locality near Philadelphia.
Golden Beryl, Amethyst, Garnet, Quartz
Spots in Delaware County
| Spot | Minerals | Coordinates | Access |
|---|---|---|---|
| Blue HillSycamore Mills Road | 39.9467, -75.4236 | Permission | |
| Chester CreekEast Peters Lane | 39.8737, -75.4605 | Public | |
| Crum CreekParkridge Drive | 39.9227, -75.3642 | Public | |
| East Branch Naamanm CreekBroomall Street | 39.8252, -75.4456 | Public | |
| MarpleSouth Feathering Lane | 39.9380, -75.4162 | Public | |
| PhiladelphiaBoy Scout Bridge | 40.0130, -75.3895 | Public | |
| Prospect ParkWanamaker Avenue |
| 39.8774, -75.3059 | Public |
| UplandWaterville Road | 39.8748, -75.3791 | Public |
Neighboring counties in Pennsylvania
Adjacent rockhounding counties, ranked by how close their centroids sit to Delaware County. A natural extension if Delaware County is already on your trip plan.
- Chester County~21 mi10 spotsTop: Quartz, Amethyst, Azurite
- Bucks County~30 mi6 spotsTop: Petrified Wood, Jasper, Agate
- Berks County~37 mi6 spotsTop: Jasper, Agate, Chalcedony
- Lancaster County~48 mi5 spotsTop: Brucite, Chromite, Dogtooth Calcite
- Lebanon County~63 mi2 spotsTop: Magnetite, Pyrite, Actinolite
- Carbon County~69 mi3 spotsTop: Quartz, Allanite, Autunite
Across the state line from Delaware County
Rockhounding counties in neighboring states within driving range. Geology rarely respects state borders — these are often the closest mapped spots you can reach without going deeper into Pennsylvania.
Delaware County FAQ
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