N'Chwaning mines, Kalahari manganese field

Where: Northern Cape · Africa · approx. -27.13, 22.87 (vicinity only)

Why this spot: Paleoproterozoic Kalahari Mn field, hydrothermal veins

What turns up: World-class rhodochrosite, hausmannite, ettringite, gaudefroyite, poldervaartite

Access: Prohibited / view only.

Active industrial manganese mines (near Kuruman); no public access, specimens released via authorized dealers

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