Where to Find Marcasite in Missouri

19 mapped marcasite rockhounding spots in Missouri, across 15 counties. Marcasite is reported at multiple rockhounding spots across the United States.

Marcasite by county in Missouri

Counties ranked by number of marcasite spots in our database.

Every marcasite spot in Missouri

Sorted by county. Coordinates open in Google Maps. Click a row for details.

Spot	County	Minerals	Coordinates	Access
Adrian’s QuarryUS 63	Boone County	Calcite Chalcopyrite Marcasite Millerite Pyrite	38.6723, -92.2290	Public
Finger Lakes State ParkEast Peabody Haul Road	Boone County	Aragonite Copiapite Gypsum Halotrichite Marcasite Melanterite Pyrite	39.0803, -92.3031	Public
Copper Hill MineWatson Road	Crawford County	Azurite Barite Chalcopyrite Gypsum Hematite Malachite Marcasite Pyrite +1 more	38.1872, -91.1082	Public
Crooked Creek CraterCedar Drive	Crawford County	Barite Galena Marcasite Pyrite Sphalerite	37.8330, -91.4113	Public
Hinch Copper MineChristy Mine Road	Crawford County	Copper Cuprite Limonite Hematite Malachite Marcasite	38.0351, -91.1448	Public
SteelvilleStoney Ridge Lane	Crawford County	Allophane Amethyst Azurite Dolomite Galena Goethite Hematite Malachite +4 more	38.0247, -91.2273	Public
Ruepple Iron MineSpring Oak Lane	Franklin County	Amethyst Goethite Hematite Marcasite Melanterite Pyrite Quartz Siderite +4 more	38.2708, -91.1408	Public
SpringfieldEast Chestnut Expressway	Greene County	Barite Calcite Cerussite Dickite Dolomite Galena Limonite Marcasite +2 more	37.2098, -93.2264	Public
Bixby	Iron County	Bornite Chalcocite Chalcopyrite Galena Malachite Marcasite Millerite Pyrite +1 more	37.6029, -91.1169	Public
Kansas CityEast 63rd Street	Jackson County	Aragonite Barite Calcite Dolomite Marcasite Common Opal	39.0146, -94.5000	Public
ArnoldRichardson Road	Jefferson County	Geodes Dolomite Marcasite Pyrite Sphalerite Calcite	38.4192, -90.3896	Public
Decaturville CraterLilac Rd	Laclede County	Albite Galena Glauconite Limonite Marcasite Microcline Muscovite Opal +4 more	37.8930, -92.7085	Public
TroyHampel Road	Lincoln County	Calcite Marcasite Pyrite Chalcopyrite Malachite Millerite Quartz Sphalerite	38.9185, -90.9386	Public
FredericktownCounty Road 274	Madison County	Aragonite Azurite Calcite Cerussite Chalcocite Chalcopyrite Dolomite Galena +5 more	37.6154, -90.2847	Public
Eldon & EttervilleHobby Horse Road	Moniteau County	Barite Calcite Cerussite Dolomite Galena Malachite Marcasite Pyrite +3 more	38.4400, -92.5802	Public
Moselle Iron MinesCounty Road 7240	Phelps County	Amethyst Arsenopyrite Azurite Chalcopyrite Hematite Malachite Marcasite Pyrite +1 more	37.8346, -91.8288	Public
HannibalRevere Trail	Ralls County	Marcasite Pyrite	39.6683, -91.3353	Public
Defiance QuarryMO DD	Saint Charles County	Yellow Calcite White Calcite Goethite Marcasite Pyrite Sphalerite Fossils	38.6608, -90.7760	Public
Old MinesMO 21;MO 47	Washington County	Barite Calcite Galena Goethite Malachite Marcasite Pyrite Chert +1 more	38.0152, -90.7561	Public

Marcasite in Missouri FAQ

Where can I find marcasite in Missouri?+

RockHoundR tracks 19 marcasite spots in Missouri, spread across 15 counties. The strongest concentration is in Crawford County.

Is collecting marcasite legal in Missouri?+

Casual hand collection of common rocks and minerals like marcasite is allowed on most BLM and U.S. Forest Service land in Missouri, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.

What is the best marcasite location in Missouri?+

Crawford County has the most marcasite spots in our database for Missouri. The full county breakdown is below — different counties produce different qualities and varieties.

Other states for marcasite

Other minerals to find in Missouri

Hunt marcasite in Missouri on the map

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