Cecil County: Kammererite & Serpentine Rockhounding in Lancaster County, Pennsylvania
Updated July 2026
This Fulton Township locality sits in the State Line serpentine district and is famed for williamsite, the translucent green gem serpentine prized by Pennsylvania collectors, together with kammererite, chromite, brucite and soapstone. Few places in the East produce williamsite of this quality. It is a signature Piedmont serpentine spot. Reported finds include kammererite, serpentine, soapstone, williamsite, chromite, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.
Cecil County photos
Public image records connected to this spot or its reported material.
Map showing Cecil County in Lancaster County, Pennsylvania
Quick details
- Access
- Public area
- County
- Lancaster County
- State
- Pennsylvania
- Nearest road
- Quarry Road
- Postcode
- 17563
- Coordinates
- 39.72052, -76.14594
Geology at Cecil County
This spot sits on Ultramafic Rocks, mapped as serpentinite that formed roughly 2500 to 250 million years ago. Metamorphic rock like this weathers into resistant float, and minerals that survive transport typically concentrate in nearby drainages.
- Mapped unit
- Ultramafic Rocks
- Age
- 2500–250 Ma (Proterozoic to Paleozoic)
- Rock types
- serpentinite
- Elevation
- 380 ft
Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.
Best time to visit Cecil County
Best months: March to November. Typical highs run 86°F in midsummer and 39°F in midwinter, with winter lows near 24°F.
Climate normals: NOAA 1991-2020 monthlies, CONOWINGO DAM station (5 mi away), adjusted for elevation.
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.
Found at Cecil County
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Cecil County.
- WrightsdaleChester County, Pennsylvania · 1 mi awayBrucite, Chromite, Magnesite
- Rock Springs RunLancaster County, Pennsylvania · 1 mi awayMoss Agate
- Nottingham ParkTop pick in PennsylvaniaChester County, Pennsylvania · 5 mi awaySerpentine, Garnet, Feldspar
- AvondaleChester County, Pennsylvania · 21 mi awayQuartz, Smoky Quartz, Rutile
- CoatsvilleChester County, Pennsylvania · 23 mi awayAmethyst, Beryl, Epidote
- WillowdaleChester County, Pennsylvania · 24 mi awayQuartz
- Grubb Lake and Mud LakeLancaster County, Pennsylvania · 28 mi awayGeode, Limonite
- LancasterLancaster County, Pennsylvania · 29 mi awayDogtooth Calcite, Fluorite, Hematite
Across the state line from Cecil County
Cecil County is close enough to the Pennsylvania border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Rock SpringsCecil County, Maryland · 2 mi awayKammererite, Serpentine, Soapstone
- Funks Pond Recreational AreaCecil County, Maryland · 4 mi awayKammererite, Serpentine, Soapstone
- CastletonHarford County, Maryland · 5 mi awayQuartz, Tourmaline
- FlintvilleHarford County, Maryland · 6 mi awayFeldspar, Garnet, Mica
- Flintville (moss agate area)Harford County, Maryland · 6 mi awayMoss Agate, Jasper
- CardiffHarford County, Maryland · 10 mi awayGarnet, Pyrite, Serpentine
