Barra do Salinas / Coronel Murta area

Where: Minas Gerais · South America · approx. -16.62, -42.18 (vicinity only)

Why this spot: Precambrian pegmatite

What turns up: Elbaite tourmaline, aquamarine, morganite in pegmatite pockets

Access: Prohibited / view only.

Working artisanal claims; buy from garimpeiros, no free collecting

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.