Where: Vestfold · Europe · approx. 59.0, 9.93 (vicinity only)
Why this spot: Permian syenite (larvikite)
What turns up: Blue-schiller feldspar (larvikite), plus zircon, apophyllite, and rare minerals in pegmatite pockets
Access: Permission required.
Active dimension-stone quarries around Tvedalen; collecting only with quarry permission, popular with Norwegian collectors on open days.
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.