| Lat / long: | 43.7544, -103.65307 |
| Primary: | Feldspar, Mica, Beryllium |
| Ore: | Beryl, Muscovite |
| Gangue: | Albite, Garnet, Tourmaline |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Mica Schist |
| Associated type: | Pegmatite |
| Tectonic: | Southern Black Hills |
| MRDS | D008130 |
| DEP | 10012482 |
| Reference | {Deposit:: USBM INFO CIRC 7707, P. 114-115.}{Deposit:: USGS PP 247, P. 74.}{Deposit:: ROBERTS, W. L. AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18.} |
| Reporter | Barari, Rachel A. |