
Fairfax State Recreation Area Geodes
Monroe County limestone quarries and creeks near Bloomington historically produced geodes in the Harrodsburg Limestone.
View details75 rockhounding collecting destinations in Indiana.
Interactive pins for coordinate-verified, indexable listings in Indiana. Click a marker for the full site page.
36 mapped sites shown · list continues below
Use this page as your Indiana rockhounding map — Indiana has 75 rockhounding sites in our directory, including 3 quartz & crystals, 2 agate & jasper, 8 geodes, 1 gemstones, 40 fossils. Use rockhounding sites near me for live distance sorting or browse by city.
Near major cities: Bloomington · Indianapolis
By specimen type: Quartz & Crystals (3) · Geodes (8) · Fossils (40) · Gold & Minerals (4) · Other (17)
Guides: Indiana rockhounding guide · Geodes near me — Warsaw Formation belt
Our Indiana rockhounding map lists 75 cataloged sites with GPS, fees, and specimen types at /states/indiana/. Filter by type or use near-me GPS sorting from your location.
Yes — the Indiana state hub at /states/indiana/ works as your rockhounding map with every listing, featured sites, and links to specimen-type subsets.
Specimens vary by region — browse the Indiana map for quartz, agate, geodes, fossils, and gems. Each listing notes primary targets and access rules.
Compared day-trip gear for Indiana rockhounding sites — side-by-side tables for the hike in, sun, and sun, tools, and the approach hike.
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Most-searched spots — open each listing for directions, fees, and safety notes.

Monroe County limestone quarries and creeks near Bloomington historically produced geodes in the Harrodsburg Limestone.
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Northern Indiana extension of the Midwest geode belt continues Warsaw Formation exposures with quartz-lined nodules in streams.
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Devonian fossil beds exposed at low water in the Ohio River at Falls of the Ohio State Park reveal extensive coral reefs.
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Commercial show caves near Marengo display active calcite formations in Crawford County karst terrain.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Osgood, Ripley County, Indiana. Environment: deep subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Beanblossom is a documented mineral occurrence near IN. Reported specimens include Geodes. Verify land access and collecting rules before visiting.
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Bedford is a documented mineral occurrence near IN. Reported specimens include Geodes. Verify land access and collecting rules before visiting.
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Bicknell is a documented mineral occurrence near IN. Reported specimens include Marcasite, Pyrite. Verify land access and collecting rules before visiting.
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Big Pine Creek is a documented mineral occurrence near IN. Reported specimens include Sphalerite, Barite, Fossilized wood, Siderite, Marcasite, Pyrite. Verify land access and collecting rules before visiting.
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Bloomington is a documented mineral occurrence near IN. Reported specimens include Fluorite, Aragonite, Calcite, Barite. Verify land access and collecting rules before visiting.
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Bluffton is a documented mineral occurrence near IN. Reported specimens include Dolomite, Marcasite, Pyrite. Verify land access and collecting rules before visiting.
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Fossil collection site, Wayne County, Indiana. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Brassfield, Decatur County County, Indiana. Environment: deep subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Brown County is a documented mineral occurrence near IN. Reported specimens include Corundum, Quartz, Topaz, Diamond. Verify land access and collecting rules before visiting.
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Brown County State Park is a documented mineral occurrence near IN. Reported specimens include Geodes, marcasite, aragonite, Quartz. Verify land access and collecting rules before visiting.
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Buddha is a documented mineral occurrence near IN. Reported specimens include Barite, Calcite, Celestite, Gypsum, Strontianite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Laurel Limestone, Indiana. Environment: deep subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Coal Hollow is a documented mineral occurrence near IN. Reported specimens include Siderite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Brassfield, Switzerland County, Indiana. Environment: shallow subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Corydon is a documented mineral occurrence near IN. Reported specimens include Calcite, Fluorite, Dolomite, Quartz. Verify land access and collecting rules before visiting.
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Crinoid fossil is a documented rockhounding destination in IN. Collectors visit for fossils, trilobites, dinosaur bone and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Elizabethtown is a documented mineral occurrence near IN. Reported specimens include Fluorescent Calcite, Fluorite, Marcasite. Verify land access and collecting rules before visiting.
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Erie is a documented mineral occurrence near IN. Reported specimens include Geodes. Verify land access and collecting rules before visiting.
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Fossil collection site in the Waldron Shale, Indiana. Environment: deep subtidal shelf. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Monroe County limestone quarries and creeks near Bloomington historically produced geodes in the Harrodsburg Limestone.
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Fossil collection site, Grant County, Indiana. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Devonian fossil beds exposed at low water in the Ohio River at Falls of the Ohio State Park reveal extensive coral reefs.
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Falls of the Ohio VC is a documented rockhounding destination in IN. Collectors visit for mixed minerals and rocks and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Fossil collection site in the New Albany Shale, Indiana. Environment: shallow subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fort Wayne is a documented mineral occurrence near IN. Reported specimens include Agate, Jasper. Verify land access and collecting rules before visiting.
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Georgia is a documented mineral occurrence near IN. Reported specimens include Barite crystals, Dolomite, Strontianite. Verify land access and collecting rules before visiting.
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Greenhorn Creek is a documented mineral occurrence near IN. Reported specimens include Gold. Verify land access and collecting rules before visiting.
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Fossil collection site in the Wabash, Indiana. Environment: open shallow subtidal. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Harrodsburg is a documented mineral occurrence near IN. Reported specimens include Calcite, Dolomite, Aragonite. Verify land access and collecting rules before visiting.
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Highland Creek is a documented mineral occurrence near IN. Reported specimens include Brown Sapphire. Verify land access and collecting rules before visiting.
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Fossil collection site in the Upper Whitewater, Indiana. Environment: lagoonal/restricted shallow subtidal. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Osgood Limestone, Indiana. Environment: deep subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Huntington is a documented mineral occurrence near IN. Reported specimens include Calcite, Marcasite, Pyrite, Quartz geodes, Sphalerite. Verify land access and collecting rules before visiting.
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Indiana limestone quarry is a documented rockhounding destination in IN. Collectors visit for fossils, trilobites, dinosaur bone and related material. Access rules and land ownership vary — confirm current status with the managing agency or landowner before collecting.
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Indianapolis is a documented mineral occurrence near IN. Reported specimens include Moonstone. Verify land access and collecting rules before visiting.
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Fossil collection site, Boone County, Indiana. Environment: marine indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site, Monroe County, Indiana. Environment: cave. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Lawrence County is a documented mineral occurrence near IN. Reported specimens include Geodes, calcite, sphalerite, limonite, celestite, fluorite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Harrodsburg Limestone, Monroe County, Indiana. Environment: shallow subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Logansport is a documented mineral occurrence near IN. Reported specimens include Apatite, Calcite crystals, Pyrite, Quartz. Verify land access and collecting rules before visiting.
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Commercial show caves near Marengo display active calcite formations in Crawford County karst terrain.
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Maumee River is a documented mineral occurrence near IN. Reported specimens include Agate, Jasper, Fossilized coral, Petrified wood. Verify land access and collecting rules before visiting.
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Fossil collection site in the McGregor, Newton County, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Morgan County is a documented mineral occurrence near IN. Reported specimens include Quartz, Corundum, Topaz, Diamond. Verify land access and collecting rules before visiting.
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Fossil collection site, Newton County, Indiana. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Osgood, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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New Point is a documented mineral occurrence near IN. Reported specimens include Chalcopyrite. Verify land access and collecting rules before visiting.
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Norristown is a documented mineral occurrence near IN. Reported specimens include Fluorescent Calcite, Fluorite, Marcasite. Verify land access and collecting rules before visiting.
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Oolitic is a documented mineral occurrence near IN. Reported specimens include Oolitic limestone. Verify land access and collecting rules before visiting.
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Parke County is a documented mineral occurrence near IN. Reported specimens include Goethite, Marcasite, Pyrite, Selenite, Sphalerite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Salamonie Dolomite, Indiana. Environment: deep subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Logansport Limestone, Cass County, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Salt Creek is a documented mineral occurrence near IN. Reported specimens include Geodes. Verify land access and collecting rules before visiting.
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Fossil collection site in the Sexton Creek Limestone, Porter County, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Spencer is a documented mineral occurrence near IN. Reported specimens include Barite, Celestite, Siderite. Verify land access and collecting rules before visiting.
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Fossil collection site in the Salem, Washington County, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Osgood, Indiana. Environment: deep subtidal indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Dillsboro, Franklin County, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Fossil collection site in the Dillsboro, Franklin County, Indiana. Environment: carbonate indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Northern Indiana extension of the Midwest geode belt continues Warsaw Formation exposures with quartz-lined nodules in streams.
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Weisburg is a documented mineral occurrence near IN. Reported specimens include Trilobites. Verify land access and collecting rules before visiting.
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Fossil collection site, Indiana. Environment: terrestrial indet.. Source: Paleobiology Database (PBDB), CC BY 4.0.
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Williams Creek is a documented mineral occurrence near IN. Reported specimens include Amethyst, Quartz. Verify land access and collecting rules before visiting.
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