In pegmatite outcrops on area roadsides: Mica & Garnet Rockhounding in Yavapai County, Arizona

Updated June 2026

In pegmatite outcrops on area roadsides is a mapped rockhounding spot in Yavapai County, Arizona. Reported finds include mica, garnet, hornblende, feldspar, black tourmaline. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Yavapai County
State: Arizona
Nearest road: Castle Hot Springs Road
Coordinates: 33.98418, -112.36439

Geology at In pegmatite outcrops on area roadsides

This spot sits on volcanic rocks, mapped as basalt, andesite, and dacite that formed roughly 41 to 7 million years ago. Volcanic ground like this weathers into rocky slopes and float, and fresh exposures in cuts and drainages are usually the most productive places to look.

Mapped unit: volcanic rocks
Age: 41–7 Ma (Late Eocene to Late Miocene)
Rock types: basalt, andesite, and dacite
Elevation: 2,040 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 In pegmatite outcrops on area roadsides

Best months: October to April. Typical highs run 105°F in midsummer and 69°F in midwinter, with winter lows near 43°F. Summer heat here is intense, so carry more water than you think you need and work the early morning.

Climate normals: NOAA 1991-2020 monthlies, CASTLE HOT SPRINGS station (0 mi away).

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

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 Arizona — Recreational Mineral Collecting
Arizona Geological Survey
Arizona State Land Department recreation permits
Community submissions reviewed against published agency rules

Found at In pegmatite outcrops on area roadsides

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 In pegmatite outcrops on area roadsides.

In pegmatite outcrops on area roadsides FAQ

Where is In pegmatite outcrops on area roadsides?+

In pegmatite outcrops on area roadsides is in Yavapai County, Arizona, at 33.98418, -112.36439. Nearest road: Castle Hot Springs Road.

What rocks and minerals can you find at In pegmatite outcrops on area roadsides?+

In pegmatite outcrops on area roadsides is reported to produce Mica, Garnet, Hornblende, Feldspar, Black Tourmaline.

Is collecting allowed at In pegmatite outcrops on area roadsides?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

What tools should I bring to In pegmatite outcrops on area roadsides?+

A rock hammer, a pry bar, gloves, and safety glasses suit pegmatite ground. Work weathered zones and check dump piles; coarse crystals often sit in decomposed rock.

When is the best time to visit In pegmatite outcrops on area roadsides?+

The most comfortable months at In pegmatite outcrops on area roadsides are October to April. Summer heat here is intense, so carry more water than you think you need and work the early morning.

How do I get to In pegmatite outcrops on area roadsides?+

Open the directions link to navigate to 33.98418, -112.36439 in Google Maps. The nearest road is Castle Hot Springs Road.

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