Where: Rhineland-Palatinate · Europe · approx. 49.71, 7.32 (vicinity only)
Why this spot: Permian volcanics
What turns up: Agate, chalcedony, amethyst in melaphyr
Access: Gray area.
Old quarry/float area; informal collecting.
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.