Where: Coahuila · North America · approx. 27.88, -101.52 (vicinity only)
Why this spot: Sedimentary (evaporite/replacement)
What turns up: Sky-blue celestine crystals and geodes.
Access: Gray area.
Regional celestine occurrences on ranch and quarry land; access varies, seek permission.
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.