Where: Coahuila · North America · approx. 27.6, -102.5 (vicinity only)
Why this spot: Cretaceous MVT / fluorite skarn
What turns up: Purple, green and colorless fluorite, plus calcite
Access: Gray area.
Working fluorite mines; specimens via miners/company. No casual access.
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.