Diamond Mines
27Total Sites
2Active
Diamond Mining in the United States
Federal databases document 27 diamond-related mine and mineral deposit locations across the United States. Of these, 2 (7%) are currently active operations tracked by MSHA. These records span active mines, past producers, mineral prospects, and geological occurrences identified through federal surveys.
Top States
| State | Sites |
|---|---|
| Wyoming | 9 |
| Arkansas | 8 |
| Alaska | 5 |
| Michigan | 2 |
| California | 2 |
| Oregon | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Prairie Creek Kimberlite | Arkansas | Pike | Producer |
| Purple Sage #2 | Oregon | Malheur | Producer |
| American Mines | Arkansas | Pike | Unknown |
| Aultman Pipe 1 Prospect | Wyoming | Albany | Occurrence |
| Boden Placer | Wyoming | Carbon | Prospect |
| Clums Fork | Alaska | Occurrence | |
| Clums Fork | Alaska | Prospect | |
| Crater of Diamonds -North | Arkansas | Pike | Prospect |
| Crater of Diamonds -South | Arkansas | Pike | Prospect |
| Crooked Creek Diamond Manuel | Alaska | Occurrence | |
| Crooked Creek Diamond Regan | Alaska | Occurrence | |
| Crooked Creek Diamond Warren | Alaska | Occurrence | |
| Ferris 1 Prospect | Wyoming | Albany | Occurrence |
| Hatfield Creek Claim | California | San Diego | Unknown |
| Kimberlite Mine | Arkansas | Pike | Unknown |
| Lake Ellen Kimberlite | Michigan | Iron | Past Producer |
| Mauney Mine | Arkansas | Pike | Unknown |
| Ozark Mine | Arkansas | Pike | Unknown |
| Prairie Creek Diamond Area | Arkansas | Pike | Unknown |
| S-Bar-S Ranch | California | Lake | Occurrence |
| Schaffer 10 Prospect | Wyoming | Albany | Occurrence |
| Schaffer 13 Prospect | Wyoming | Albany | Occurrence |
| Schaffer 15 Prospect | Wyoming | Albany | Occurrence |
| Schaffer 16 Prospect | Wyoming | Albany | Occurrence |
| Schaffer 19 Prospect | Wyoming | Albany | Occurrence |
| Schaffer 3 Prospect | Wyoming | Albany | Occurrence |
| Upper Peninsula Area | Michigan | Iron | Prospect |