Where: Boeny · Africa · approx. -15.75, 46.25 (vicinity only)
Why this spot: Sr in sedimentary geodes
What turns up: Blue celestine crystal-lined geodes from northwestern Madagascar
Access: Gray area.
Commercially collected for the decor/specimen trade; claim/quarry land
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.