Montezuma blue quartz workings

Where: Minas Gerais · South America · approx. -15.17, -42.49 (vicinity only)

Why this spot: Dumortierite bearing blue quartz from quartzite ridges near Montezuma, marketed since the 1990s

What turns up: blue dumortierite quartz, quartz

Access: Permission required.

Workings are small private claims, buy or visit through local miners.

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