| Clark County | kaolinite | |
| Garland County | ||
| Avant | variscite | |
| Crystal Baron Mine | wavellite | |
| Malvern Mineral Company Mine | crandallite | |
| Wilson Springs | mahlmoodite, straczekite | |
| Hot Spring County | ferrihydrite | |
| Cemetery Brookite Deposit, Magnet Cove | brookite | |
| Diamond Jo Quarry | delindeite, kassite, lourenswalsite | |
| Magnet Cove | brookite, dysanalyte, kimzeyite, kolbeckite, miserite, schorlomite, tainiolite, wavellite | |
| Montgomery County | ||
| Mauldin Mountain | planerite, wavellite | |
| McKnight Mine | lithiophorite | |
| Polk County | ||
| Coon Creek | kidwellite, laubmannite | |
| Shady: | beraunite, rockbridgeite | |
| Three Oak Gap | cacoxenite, dufrenite, kidwellite | |
| Pulaski County | ||
| 3M Quarry, Little Rock | eggletonite | |
| Saline County | ||
| Bauxite | boehmite, gibbsite | |
| Stand on Your Head Mine | cookeite | |
| Searcy County | ||
| Buffalo River Valley | niter | |