Where: Missouri · North America · approx. 37.94, -90.79 (vicinity only)
Why this spot: Rockhounding locality: residual barite (tiff) in clay
What turns up: barite crystals and nodules, calcite, galena traces
Access: Gray area.
Old barite (tiff) diggings around Potosi are on private land within a lead Superfund district; landowner permission is required.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.