Where: Anosy · Africa · approx. -25.05, 46.5 (vicinity only)
Why this spot: Metamorphic (marble/skarn)
What turns up: Blue sapphire in calc-silicate rocks.
Access: Permission required.
Artisanal mining; gems bought from diggers. Export regulated.
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.