Gem Hill, Rosamond CA: agate and chalcedony

ROCKHOUNDING OPEN / LEGAL DOCUMENTED

Where: California · North America · approx. 34.87, -118.27 (vicinity only)

Why this spot: Rockhounding locality: classic Mojave field in the Rosamond Hills west of Rosamond, a standby of Southern California gem club field trips

What turns up: banded agate, chalcedony roses, jasper, opalite, petrified wood float

Access: Open / legal.

Mostly open BLM land, casual hobby collecting allowed; watch for posted mining claims and stay off the adjacent private Tropico Mine ground

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.