Ron Coleman Mining: Quartz & Amethyst Rockhounding in Garland County, Arkansas
Updated June 2026
Ron Coleman Mining is a mapped rockhounding spot in Garland County, Arkansas. Reported finds include quartz, amethyst, smoky quartz. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Ron Coleman Mining in Garland County, Arkansas
Quick details
- Access
- Paid / fee dig
- County
- Garland County
- State
- Arkansas
- Nearest road
- Crystal Ridge Lane
- Postcode
- 71949
- Coordinates
- 34.66230, -93.10070
Geology at Ron Coleman Mining
This spot sits on Mazarn Shale, mapped as shale that formed roughly 485 to 470 million years ago. Sedimentary rock like this erodes unevenly, so the most productive collecting is typically along fresh cuts, badland slopes, and active drainages.
- Mapped unit
- Mazarn Shale
- Age
- 485–470 Ma (Early Ordovician)
- Rock types
- shale
- Elevation
- 870 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 Ron Coleman Mining
Conditions here are workable year-round, with typical highs from 49°F in winter to 89°F in summer.
Climate normals: NOAA 1991-2020 monthlies, BLAKELY MTN DAM station (8 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:
- Ouachita National Forest — Mineral Collecting
- Crater of Diamonds State Park — Rules and finds
- Arkansas Geological Survey
- Community submissions reviewed against published agency rules
Found at Ron Coleman Mining
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 Ron Coleman Mining.
- Coleman's Crystal MineGarland County, Arkansas · 2 mi awayQuartz
- Unnamed Location (Rock crystals)Garland County, Arkansas · 10 mi awayQuartz
- West MountGarland County, Arkansas · 11 mi awayPyrite
- Unnamed Location (Serpentine)Saline County, Arkansas · 11 mi awaySerpentine
- Unnamed Location (Wavellite #2)Garland County, Arkansas · 13 mi awayWavellite
- Unnamed Location (Wavellite/Variscite)Garland County, Arkansas · 13 mi awayWavellite, Variscite
- Unnamed Location (Uranium/Columbium)Garland County, Arkansas · 15 mi awayUranium Ore, Columbium Ore
- Lake Catherine (South Side)Top pick in ArkansasGarland County, Arkansas · 16 mi awayFluorite
