| Lat / long: | 43.89413, -103.44223 |
| Primary: | Feldspar, Mica, Beryllium |
| Tertiary: | Tantalum, Zinc |
| Ore: | Beryl, Muscovite, Sphalerite |
| Gangue: | Cleavelandite, Quartz, Triphylite, Uraninite, Zircon |
| Orebody form: | PIPELIKE |
| Other material: | Albite |
| Discovery year: | 1905 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Pegmatite |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | SD02302 |
| DEP | 10104257 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Deposit:: AM. MINERALOGIST, VOL 56, P. 1-17.} |
| Reporter | Barari, Rachel A. |