| Lat / long: | 43.88385, -103.36695 |
| Primary: | Mica, Beryllium |
| Ore: | Beryl, Muscovite |
| Gangue: | Microcline, Quartz |
| Orebody form: | DIKE |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Pegmatite |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| Alteration processes: | All Minerals Iron Stained |
| MRDS | D004755 |
| DEP | 10010784 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770}{Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707} |
| Reporter | Barari, Rachel A. |