Where: Germany · Europe · approx. 49.74, -7.33 (vicinity only)
Why this spot: Permian volcanics
What turns up: Agate, amethyst, and jasper in the historic melaphyre agate mine and surrounding fields
Access: Open / legal.
The Steinkaulenberg has a visitor mine with a section where collecting is permitted for a fee; open fields nearby are private.
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.