Spencer Opal Mine — Rockhounding in Clark County, Idaho
Spencer Opal Mine is a mapped rockhounding spot in Clark County, Idaho. Reported finds include fire opal. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Spencer Opal Mine in Clark County, Idaho
Quick details
- Access
- Paid / fee dig
- County
- Clark County
- State
- Idaho
- Nearest road
- Old Highway 91
- Postcode
- 83446
- Coordinates
- 44.36143, -112.18646
Land & collecting status
Pay-to-dig site
This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
State guidance last verified:
- Idaho Panhandle National Forests — Emerald Creek
- Idaho Geological Survey
- Spencer Opal Mines (fee-dig operator)
- Community submissions reviewed against published agency rules
Found at Spencer Opal Mine
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Spencer Opal Mine.
- Camas CreekJefferson County, Idaho · 24 mi awayTopaz, Fire Opal
- Crystal ButteFremont County, Idaho · 24 mi awayAndesine
- Big Lost RiverButte County, Idaho · 51 mi awayGeode, Amethyst
- Ima MineLemhi County, Idaho · 75 mi awayTungsten, Tetrahedrite, Chalcopyrite
- Empire MineCuster County, Idaho · 80 mi awayPurple Fluorite
- MackayTop pick in IdahoCuster County, Idaho · 81 mi awayAzurite, Chalcopyrite, Chrysocolla
- Antelope Creek areaButte County, Idaho · 83 mi awayGeode, Quartz, Amethyst
- Poison CreekCuster County, Idaho · 86 mi awayCommon Opal
Across the state line from Spencer Opal Mine
Spencer Opal Mine is close enough to the Idaho border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- Gravelly RangeMadison County, Montana · 53 mi awayOnyx
- EnnisMadison County, Montana · 59 mi awayAndalusite, Kyanite, Sillimanite
- Bakers HoleGallatin County, Montana · 59 mi awayAgate
- Ruby RiverTop pick in MontanaMadison County, Montana · 62 mi awayAlmandine Garnet
- Virginia CityMadison County, Montana · 64 mi awayGarnet, Gold
- Gem MountainMadison County, Montana · 68 mi awaySapphire
Spencer Opal Mine FAQ
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More rockhounding in Idaho
See all 114 Idaho spots →Open Spencer Opal Mine on the map
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