Topaz Dome Quarry: Rockhounding in Juab County, Utah

Updated June 2026

Topaz Dome Quarry is a mapped rockhounding spot in Juab County, Utah. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Paid / fee dig
County: Juab County
State: Utah
Coordinates: 39.69737, -113.09875

Geology at Topaz Dome Quarry

This spot sits on Alluvium and colluvium, mapped as unconsolidated alluvium and colluvium that formed within roughly the last 3 million years. Loose deposits like these are float-collecting ground: erosion keeps moving durable rocks and minerals into gravel bars, cutbanks, and washes.

Mapped unit: Alluvium and colluvium
Age: 3 Ma to present (Quaternary)
Rock types: unconsolidated alluvium and colluvium
Elevation: 5,820 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Topaz Dome Quarry

Best months: March to November. Typical highs run 90°F in midsummer and 33°F in midwinter, with winter lows near 13°F.

Climate normals: NOAA 1991-2020 monthlies, FISH SPRINGS NWR station (19 mi away), adjusted for elevation.

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: April 1, 2026

BLM Utah — Rockhounding overview
Utah Geological Survey — collecting guidelines
SITLA — surface use rules
Community submissions reviewed against published agency rules

Nearby rockhounding spots

Other rockhounding spots within driving distance of Topaz Dome Quarry.

Across the state line from Topaz Dome Quarry

Topaz Dome Quarry is close enough to the Utah border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Topaz Dome Quarry FAQ

Where is Topaz Dome Quarry?+

Topaz Dome Quarry is in Juab County, Utah, at 39.69737, -113.09875.

What rocks and minerals can you find at Topaz Dome Quarry?+

Topaz Dome Quarry is on the rockhounding map but no minerals are listed in our reference. Open RockHoundR to see what other rockhounds have logged.

Is collecting allowed at Topaz Dome Quarry?+

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. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Topaz Dome Quarry?+

A rock hammer, sturdy gloves, safety glasses, and a collecting bag cover the basics here. Add a spray bottle: wet rock shows color and pattern that dry rock hides.

When is the best time to visit Topaz Dome Quarry?+

The most comfortable months at Topaz Dome Quarry are March to November.

How do I get to Topaz Dome Quarry?+

Open the directions link to navigate to 39.69737, -113.09875 in Google Maps. Some spots are remote, so check road conditions before driving out.

More rockhounding in Utah

See all 246 Utah spots →

Open Topaz Dome Quarry on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.