Cristalina, GO: rock crystal garimpo town

Where: Brazil · South America · approx. -16.77, -47.62 (vicinity only)

Why this spot: Rockhounding locality: quartz crystal boomtown since 1879, when rock crystal was first shipped to Paris; still a major crystal and gem trading center

What turns up: buy: quartz points and clusters, crystal balls, amethyst, tourmaline; eyes-only on the old garimpo scars

Access: Gray area.

Buying at the Mercado do Cristal and gem shops is legal and the point of a visit; digging old garimpo ground needs an ANM permit (PLG) or landowner arrangement, so treat the diggings as look-and-buy

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