Explore › Idaho rockhounding
Spencer Opal Mines
ROCKHOUNDING
OPEN / LEGAL
DOCUMENTED
Where: Idaho · North America · approx. 44.37, -112.18 (vicinity only)
Why this spot: Tertiary
What turns up: Precious opal (thin seam, triplet material)
Access: Open / legal.
Private fee-dig opal mine; dig tailings or mine.
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.