Where: Spain · Europe · approx. 42.05, -2.03 (vicinity only)
Why this spot: Cretaceous marl
What turns up: Perfect brassy pyrite cubes, often free-standing, in the grey marl
Access: Open / legal.
A commercial pyrite mine that sells specimens and runs paid collecting visits; independent digging is not allowed.
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.