Where: California · North America · approx. 35.92, -121.47 (vicinity only)
Why this spot: Rockhounding locality: nephrite jade (Big Sur jade) in Franciscan serpentinite coastline
What turns up: nephrite jade, serpentine, botryoidal jade
Access: Open / legal.
Collecting loose nephrite jade below the mean high tide line is specifically permitted; no removal above the tideline or from cliffs/bedrock, hand tools only.
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.