Cave-in-Rock IL: fluorite

ROCKHOUNDING RESTRICTED DOCUMENTED

Where: Midwest · North America · approx. 37.48, -88.16 (vicinity only)

Why this spot: fluorite (Illinois state mineral)

What turns up: The southern Illinois-Kentucky fluorspar district produced Illinois' state mineral, banded fluorite; the mines are closed but dumps and the story remain.

Access: Restricted.

Active mining claims, private ground, or a protected/permit-only site. Do not collect without written authorization.

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.