Lauro Muller / Santa Catarina amethyst

ROCKHOUNDING PROHIBITED / VIEW ONLY DOCUMENTED

Where: Santa Catarina · South America · approx. -28.39, -49.41 (vicinity only)

Why this spot: Cretaceous basalt vugs

What turns up: Amethyst geodes, agate

Access: Prohibited / view only.

Commercial geode mines; buy from operators

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.