Steelville: Allophane & Amethyst Rockhounding in Crawford County, Missouri

Updated June 2026

Steelville is a mapped rockhounding spot in Crawford County, Missouri. Reported finds include allophane, amethyst, azurite, dolomite, galena, and more. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Crawford County
State: Missouri
Nearest road: Stoney Ridge Lane
Postcode: 65565
Coordinates: 38.02470, -91.22731

Geology at Steelville

This spot sits on Gasconade Dolomite, mapped as dolostone that formed roughly 485 to 470 million years ago. Carbonate rock like this dissolves and weathers readily, so fresh road cuts, quarries, and creek exposures are typically the most productive ground.

Mapped unit: Gasconade Dolomite
Age: 485–470 Ma (Early Ordovician)
Rock types: dolostone
Elevation: 740 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 Steelville

Best months: February to December. Typical highs run 88°F in midsummer and 42°F in midwinter, with winter lows near 19°F.

Climate normals: NOAA 1991-2020 monthlies, STEELVILLE 2 N station (8 mi away).

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 Steelville

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 Steelville.

Steelville FAQ

Where is Steelville?+

Steelville is in Crawford County, Missouri, at 38.02470, -91.22731. Nearest road: Stoney Ridge Lane.

What rocks and minerals can you find at Steelville?+

Steelville is reported to produce Allophane, Amethyst, Azurite, Dolomite, Galena, Goethite, Hematite, Malachite, Marcasite, Quartz, Pyrite, Rutile.

Is collecting allowed at Steelville?+

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. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Steelville?+

A rock hammer, a small pry bar, gloves, and safety glasses cover most crystal ground. A screen helps in loose pocket soil, and newspaper protects points on the way out.

When is the best time to visit Steelville?+

The most comfortable months at Steelville are February to December.

How do I get to Steelville?+

Open the directions link to navigate to 38.02470, -91.22731 in Google Maps. The nearest road is Stoney Ridge Lane.

More rockhounding in Missouri

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Open Steelville on the map

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