Opal Hill Mine, Wiley Well CA

ROCKHOUNDING PERMISSION REQUIRED DOCUMENTED

Where: California · North America · approx. 33.44, -114.86 (vicinity only)

Why this spot: fire agate, quartz

What turns up: A small fee mine in the Mule Mountains near the Hauser beds, worked for gem-grade fire agate that forms in botryoidal seams within rhyolite.

Access: Permission required.

Fee-dig site: pay to dig and keep what you find. Call ahead for hours, prices and what tools are allowed.

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.