| Lat / long: | 43.72163, -103.6814 |
| Primary: | Feldspar |
| Secondary: | Beryllium |
| Ore: | Beryl, Feldspar |
| Gangue: | Columbite, Mica, Quartz, Tantalite, Tourmaline |
| Orebody form: | DIKE |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Last production ended: | 1943 |
| Host type: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | D008120 |
| DEP | 10012474 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.}{Deposit:: ROBERTS, W. L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18.}{Deposit:: USGS PP 247, P. 177-178.} |
| Reporter | Barari, Rachel A. |