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Mamfe / Cameroon blue sapphire

ROCKHOUNDING GRAY AREA DOCUMENTED

Where: Southwest · Africa · approx. 5.7, 9.3 (vicinity only)

Why this spot: Basalt-hosted alluvial sapphire

What turns up: Blue sapphire from Cameroonian gem gravels

Access: Gray area.

Artisanal mining; specimens via dealers

Open in Mudlark Map →

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.